Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4536 files changed, 336478 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst-computed-yield-expr.js b/js/src/tests/test262/language/statements/class/accessor-name-inst-computed-yield-expr.js
new file mode 100644
index 0000000000..1ffff48bfd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst-computed-yield-expr.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object-initializer-runtime-semantics-evaluation
+es6id: 12.2.6.8
+description: >
+  The `yield` keyword behaves as a YieldExpression within a generator function
+info: |
+  [...]
+  21. For each ClassElement m in order from methods
+      a. If IsStatic of m is false, then
+         i. Let status be the result of performing PropertyDefinitionEvaluation
+            for m with arguments proto and false.
+
+  ComputedPropertyName : [ AssignmentExpression ]
+
+  1. Let exprValue be the result of evaluating AssignmentExpression.
+  2. Let propName be ? GetValue(exprValue).
+  3. Return ? ToPropertyKey(propName).
+features: [generators]
+---*/
+
+var yieldSet, C, iter;
+function* g() {
+  class C_ {
+    get [yield]() { return 'get yield'; }
+    set [yield](param) { yieldSet = param; }
+  }
+
+  C = C_;
+}
+
+iter = g();
+
+iter.next();
+iter.next('first');
+iter.next('second');
+
+assert.sameValue(C.prototype.first, 'get yield');
+
+C.prototype.second = 'set yield';
+
+assert.sameValue(yieldSet, 'set yield');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/browser.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/browser.js
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-evaluation.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-evaluation.js
new file mode 100644
index 0000000000..6b2789e7b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-evaluation.js
@@ -0,0 +1,41 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-evaluation.case
+// - src/accessor-names/error/cls-decl-inst.template
+/*---
+description: Abrupt completion when evaluating expression (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+---*/
+var thrower = function() {
+  throw new Test262Error();
+};
+
+
+assert.throws(Test262Error, function() {
+  class C {
+    get [thrower()]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(Test262Error, function() {
+  class C {
+    set [thrower()](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-to-prop-key.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-to-prop-key.js
new file mode 100644
index 0000000000..bad284dd3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-to-prop-key.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-to-prop-key.case
+// - src/accessor-names/error/cls-decl-inst.template
+/*---
+description: Abrupt completion when coercing to property key value (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+    7.1.14 ToPropertyKey
+
+    1. Let key be ? ToPrimitive(argument, hint String).
+
+    7.1.1 ToPrimitive
+
+    [...]
+    7. Return ? OrdinaryToPrimitive(input, hint).
+
+    7.1.1.1 OrdinaryToPrimitive
+
+    5. For each name in methodNames in List order, do
+       [...]
+    6. Throw a TypeError exception.
+---*/
+var badKey = Object.create(null);
+
+
+assert.throws(TypeError, function() {
+  class C {
+    get [badKey]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(TypeError, function() {
+  class C {
+    set [badKey](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-unresolvable.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-unresolvable.js
new file mode 100644
index 0000000000..55e183a385
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed-err-unresolvable.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-unresolvable.case
+// - src/accessor-names/error/cls-decl-inst.template
+/*---
+description: Abrupt completion when resolving reference value (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+---*/
+
+assert.throws(ReferenceError, function() {
+  class C {
+    get [test262unresolvable]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(ReferenceError, function() {
+  class C {
+    set [test262unresolvable](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/computed.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed.js
new file mode 100644
index 0000000000..b11ca09cff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/computed.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (AssignmentExpression) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+var _;
+
+
+var stringSet;
+
+class C {
+  get [_ = 'str' + 'ing']() { return 'get string'; }
+  set [_ = 'str' + 'ing'](param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['string'], 'get string');
+
+C.prototype['string'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-binary.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-binary.js
new file mode 100644
index 0000000000..1dd543dfbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-binary.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-binary.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal in binary notation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 0b10() { return 'get string'; }
+  set 0b10(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['2'], 'get string');
+
+C.prototype['2'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-exponent.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-exponent.js
new file mode 100644
index 0000000000..f6bbea1eb1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-exponent.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-exponent.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal in exponent notation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 1E+9() { return 'get string'; }
+  set 1E+9(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['1000000000'], 'get string');
+
+C.prototype['1000000000'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-hex.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-hex.js
new file mode 100644
index 0000000000..7ab75e0fad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-hex.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-hex.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal in hexadecimal notation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 0x10() { return 'get string'; }
+  set 0x10(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['16'], 'get string');
+
+C.prototype['16'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-leading-decimal.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-leading-decimal.js
new file mode 100644
index 0000000000..c70cf03231
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-leading-decimal.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-leading-decimal.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal with leading decimal point) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get .1() { return 'get string'; }
+  set .1(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['0.1'], 'get string');
+
+C.prototype['0.1'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-non-canonical.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-non-canonical.js
new file mode 100644
index 0000000000..69513c97d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-non-canonical.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-non-canonical.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal with non-canonical representation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 0.0000001() { return 'get string'; }
+  set 0.0000001(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['1e-7'], 'get string');
+
+C.prototype['1e-7'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-octal.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-octal.js
new file mode 100644
index 0000000000..08eff48f90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-octal.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-octal.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal in octal notation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 0o10() { return 'get string'; }
+  set 0o10(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['8'], 'get string');
+
+C.prototype['8'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-zero.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-zero.js
new file mode 100644
index 0000000000..d062be1fcf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-numeric-zero.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-zero.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (numeric literal zero) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 0() { return 'get string'; }
+  set 0(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['0'], 'get string');
+
+C.prototype['0'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-char-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-char-escape.js
new file mode 100644
index 0000000000..88960560e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-char-escape.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-char-escape.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal containing a character escape sequence) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'character\tescape'() { return 'get string'; }
+  set 'character\tescape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['character	escape'], 'get string');
+
+C.prototype['character	escape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped-ext.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped-ext.js
new file mode 100644
index 0000000000..68f36541d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped-ext.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default-escaped-ext.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal 'default' w/ extended escape) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'def\u{61}ult'() { return 'get string'; }
+  set 'def\u{61}ult'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['default'], 'get string');
+
+C.prototype['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped.js
new file mode 100644
index 0000000000..e133e30efd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default-escaped.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default-escaped.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal 'default' escaped) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'def\u0061ult'() { return 'get string'; }
+  set 'def\u0061ult'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['default'], 'get string');
+
+C.prototype['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default.js
new file mode 100644
index 0000000000..152e02fb3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-default.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal 'default') (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'default'() { return 'get string'; }
+  set 'default'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['default'], 'get string');
+
+C.prototype['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-double-quote.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-double-quote.js
new file mode 100644
index 0000000000..6b1b5d8361
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-double-quote.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-double-quote.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal using double quotes) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get "doubleQuote"() { return 'get string'; }
+  set "doubleQuote"(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype["doubleQuote"], 'get string');
+
+C.prototype["doubleQuote"] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-empty.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-empty.js
new file mode 100644
index 0000000000..fa579f4173
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-empty.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-empty.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal, the empty string) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get ''() { return 'get string'; }
+  set ''(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype[''], 'get string');
+
+C.prototype[''] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-hex-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-hex-escape.js
new file mode 100644
index 0000000000..37fa2404b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-hex-escape.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-hex-escape.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal containing a hexadecimal escape sequence) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'hex\x45scape'() { return 'get string'; }
+  set 'hex\x45scape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['hexEscape'], 'get string');
+
+C.prototype['hexEscape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-line-continuation.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-line-continuation.js
new file mode 100644
index 0000000000..6208971eb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-line-continuation.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-line-continuation.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal containing LineContinuation) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'line\
+Continuation'() { return 'get string'; }
+  set 'line\
+Continuation'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['lineContinuation'], 'get string');
+
+C.prototype['lineContinuation'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-single-quote.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-single-quote.js
new file mode 100644
index 0000000000..f6ef6c5fc6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-single-quote.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-single-quote.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal using single quotes) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'singleQuote'() { return 'get string'; }
+  set 'singleQuote'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['singleQuote'], 'get string');
+
+C.prototype['singleQuote'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-unicode-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-unicode-escape.js
new file mode 100644
index 0000000000..d14a6d3d0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/literal-string-unicode-escape.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-unicode-escape.case
+// - src/accessor-names/default/cls-decl-inst.template
+/*---
+description: Computed values as accessor property names (string literal containing a Unicode escape sequence) (Class declaration, instance method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments proto and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  get 'unicod\u{000065}Escape'() { return 'get string'; }
+  set 'unicod\u{000065}Escape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C.prototype['unicodeEscape'], 'get string');
+
+C.prototype['unicodeEscape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-inst/shell.js b/js/src/tests/test262/language/statements/class/accessor-name-inst/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-inst/shell.js
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static-computed-yield-expr.js b/js/src/tests/test262/language/statements/class/accessor-name-static-computed-yield-expr.js
new file mode 100644
index 0000000000..1f42823f34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static-computed-yield-expr.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object-initializer-runtime-semantics-evaluation
+es6id: 12.2.6.8
+description: >
+  The `yield` keyword behaves as a YieldExpression within a generator function
+info: |
+  [...]
+  21. For each ClassElement m in order from methods
+      a. If IsStatic of m is false, then
+         [...]
+      b. Else,
+         a. Let status be the result of performing PropertyDefinitionEvaluation
+            for m with arguments F and false.
+
+  ComputedPropertyName : [ AssignmentExpression ]
+
+  1. Let exprValue be the result of evaluating AssignmentExpression.
+  2. Let propName be ? GetValue(exprValue).
+  3. Return ? ToPropertyKey(propName).
+features: [generators]
+---*/
+
+var yieldSet, C, iter;
+function* g() {
+  class C_ {
+    static get [yield]() { return 'get yield'; }
+    static set [yield](param) { yieldSet = param; }
+  }
+
+  C = C_;
+}
+
+iter = g();
+
+iter.next();
+iter.next('first');
+iter.next('second');
+
+assert.sameValue(C.first, 'get yield');
+
+C.second = 'set yield';
+
+assert.sameValue(yieldSet, 'set yield');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/browser.js b/js/src/tests/test262/language/statements/class/accessor-name-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-evaluation.js b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-evaluation.js
new file mode 100644
index 0000000000..8541304f43
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-evaluation.js
@@ -0,0 +1,43 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-evaluation.case
+// - src/accessor-names/error/cls-decl-static.template
+/*---
+description: Abrupt completion when evaluating expression (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+---*/
+var thrower = function() {
+  throw new Test262Error();
+};
+
+
+assert.throws(Test262Error, function() {
+  class C {
+    static get [thrower()]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(Test262Error, function() {
+  class C {
+    static set [thrower()](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-to-prop-key.js b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-to-prop-key.js
new file mode 100644
index 0000000000..57e250e59c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-to-prop-key.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-to-prop-key.case
+// - src/accessor-names/error/cls-decl-static.template
+/*---
+description: Abrupt completion when coercing to property key value (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+    7.1.14 ToPropertyKey
+
+    1. Let key be ? ToPrimitive(argument, hint String).
+
+    7.1.1 ToPrimitive
+
+    [...]
+    7. Return ? OrdinaryToPrimitive(input, hint).
+
+    7.1.1.1 OrdinaryToPrimitive
+
+    5. For each name in methodNames in List order, do
+       [...]
+    6. Throw a TypeError exception.
+---*/
+var badKey = Object.create(null);
+
+
+assert.throws(TypeError, function() {
+  class C {
+    static get [badKey]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(TypeError, function() {
+  class C {
+    static set [badKey](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-unresolvable.js b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-unresolvable.js
new file mode 100644
index 0000000000..c049096333
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/computed-err-unresolvable.js
@@ -0,0 +1,41 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed-err-unresolvable.case
+// - src/accessor-names/error/cls-decl-static.template
+/*---
+description: Abrupt completion when resolving reference value (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+---*/
+
+assert.throws(ReferenceError, function() {
+  class C {
+    static get [test262unresolvable]() {}
+  }
+}, '`get` accessor');
+
+assert.throws(ReferenceError, function() {
+  class C {
+    static set [test262unresolvable](_) {}
+  }
+}, '`set` accessor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/computed.js b/js/src/tests/test262/language/statements/class/accessor-name-static/computed.js
new file mode 100644
index 0000000000..e8284e4c2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/computed.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/computed.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (AssignmentExpression) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+var _;
+
+
+var stringSet;
+
+class C {
+  static get [_ = 'str' + 'ing']() { return 'get string'; }
+  static set [_ = 'str' + 'ing'](param) { stringSet = param; }
+}
+
+assert.sameValue(C['string'], 'get string');
+
+C['string'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-binary.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-binary.js
new file mode 100644
index 0000000000..eba3b2b1bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-binary.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-binary.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal in binary notation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 0b10() { return 'get string'; }
+  static set 0b10(param) { stringSet = param; }
+}
+
+assert.sameValue(C['2'], 'get string');
+
+C['2'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-exponent.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-exponent.js
new file mode 100644
index 0000000000..309c418790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-exponent.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-exponent.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal in exponent notation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 1E+9() { return 'get string'; }
+  static set 1E+9(param) { stringSet = param; }
+}
+
+assert.sameValue(C['1000000000'], 'get string');
+
+C['1000000000'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-hex.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-hex.js
new file mode 100644
index 0000000000..aaeaa22988
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-hex.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-hex.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal in hexadecimal notation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 0x10() { return 'get string'; }
+  static set 0x10(param) { stringSet = param; }
+}
+
+assert.sameValue(C['16'], 'get string');
+
+C['16'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-leading-decimal.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-leading-decimal.js
new file mode 100644
index 0000000000..21cdddc9a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-leading-decimal.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-leading-decimal.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal with leading decimal point) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get .1() { return 'get string'; }
+  static set .1(param) { stringSet = param; }
+}
+
+assert.sameValue(C['0.1'], 'get string');
+
+C['0.1'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-non-canonical.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-non-canonical.js
new file mode 100644
index 0000000000..86d8f2fd6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-non-canonical.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-non-canonical.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal with non-canonical representation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 0.0000001() { return 'get string'; }
+  static set 0.0000001(param) { stringSet = param; }
+}
+
+assert.sameValue(C['1e-7'], 'get string');
+
+C['1e-7'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-octal.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-octal.js
new file mode 100644
index 0000000000..fa8b4e0505
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-octal.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-octal.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal in octal notation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 0o10() { return 'get string'; }
+  static set 0o10(param) { stringSet = param; }
+}
+
+assert.sameValue(C['8'], 'get string');
+
+C['8'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-zero.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-zero.js
new file mode 100644
index 0000000000..18dfed2a88
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-numeric-zero.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-numeric-zero.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (numeric literal zero) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 0() { return 'get string'; }
+  static set 0(param) { stringSet = param; }
+}
+
+assert.sameValue(C['0'], 'get string');
+
+C['0'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-char-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-char-escape.js
new file mode 100644
index 0000000000..30687691d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-char-escape.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-char-escape.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal containing a character escape sequence) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'character\tescape'() { return 'get string'; }
+  static set 'character\tescape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['character	escape'], 'get string');
+
+C['character	escape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped-ext.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped-ext.js
new file mode 100644
index 0000000000..3c04d8426d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped-ext.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default-escaped-ext.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal 'default' w/ extended escape) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'def\u{61}ult'() { return 'get string'; }
+  static set 'def\u{61}ult'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['default'], 'get string');
+
+C['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped.js
new file mode 100644
index 0000000000..64d6bdf455
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default-escaped.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default-escaped.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal 'default' escaped) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'def\u0061ult'() { return 'get string'; }
+  static set 'def\u0061ult'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['default'], 'get string');
+
+C['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default.js
new file mode 100644
index 0000000000..88f60739e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-default.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-default.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal 'default') (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'default'() { return 'get string'; }
+  static set 'default'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['default'], 'get string');
+
+C['default'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-double-quote.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-double-quote.js
new file mode 100644
index 0000000000..b7ec6e0e8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-double-quote.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-double-quote.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal using double quotes) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get "doubleQuote"() { return 'get string'; }
+  static set "doubleQuote"(param) { stringSet = param; }
+}
+
+assert.sameValue(C["doubleQuote"], 'get string');
+
+C["doubleQuote"] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-empty.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-empty.js
new file mode 100644
index 0000000000..ed7767d1df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-empty.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-empty.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal, the empty string) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get ''() { return 'get string'; }
+  static set ''(param) { stringSet = param; }
+}
+
+assert.sameValue(C[''], 'get string');
+
+C[''] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-hex-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-hex-escape.js
new file mode 100644
index 0000000000..215a665e56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-hex-escape.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-hex-escape.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal containing a hexadecimal escape sequence) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'hex\x45scape'() { return 'get string'; }
+  static set 'hex\x45scape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['hexEscape'], 'get string');
+
+C['hexEscape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-line-continuation.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-line-continuation.js
new file mode 100644
index 0000000000..367e8f4c3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-line-continuation.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-line-continuation.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal containing LineContinuation) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'line\
+Continuation'() { return 'get string'; }
+  static set 'line\
+Continuation'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['lineContinuation'], 'get string');
+
+C['lineContinuation'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-single-quote.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-single-quote.js
new file mode 100644
index 0000000000..f0c2272add
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-single-quote.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-single-quote.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal using single quotes) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'singleQuote'() { return 'get string'; }
+  static set 'singleQuote'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['singleQuote'], 'get string');
+
+C['singleQuote'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-unicode-escape.js b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-unicode-escape.js
new file mode 100644
index 0000000000..a428e5ba96
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/literal-string-unicode-escape.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/literal-string-unicode-escape.case
+// - src/accessor-names/default/cls-decl-static.template
+/*---
+description: Computed values as accessor property names (string literal containing a Unicode escape sequence) (Class declaration, static method)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class]
+flags: [generated]
+info: |
+    [...]
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           [...]
+        b. Else,
+           a. Let status be the result of performing PropertyDefinitionEvaluation
+              for m with arguments F and false.
+
+
+    12.2.6.7 Runtime Semantics: Evaluation
+
+    [...]
+
+    ComputedPropertyName : [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+---*/
+
+var stringSet;
+
+class C {
+  static get 'unicod\u{000065}Escape'() { return 'get string'; }
+  static set 'unicod\u{000065}Escape'(param) { stringSet = param; }
+}
+
+assert.sameValue(C['unicodeEscape'], 'get string');
+
+C['unicodeEscape'] = 'set string';
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/accessor-name-static/shell.js b/js/src/tests/test262/language/statements/class/accessor-name-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/accessor-name-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/arguments/access.js b/js/src/tests/test262/language/statements/class/arguments/access.js
new file mode 100644
index 0000000000..24cd6a15b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/arguments/access.js
@@ -0,0 +1,56 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class arguments access
+---*/
+var constructCounts = {
+  base: 0,
+  subclass: 0,
+  subclass2: 0
+};
+
+class Base {
+  constructor() {
+    constructCounts.base++;
+    assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
+    assert.sameValue(arguments[0], 1, "The value of `arguments[0]` is `1`");
+    assert.sameValue(arguments[1], 2, "The value of `arguments[1]` is `2`");
+  }
+}
+
+var b = new Base(1, 2);
+
+class Subclass extends Base {
+  constructor() {
+    constructCounts.subclass++;
+    assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
+    assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`");
+    assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`");
+    super(1, 2);
+  }
+}
+
+var s = new Subclass(3, 4);
+assert.sameValue(Subclass.length, 0, "The value of `Subclass.length` is `0`, because there are 0 formal parameters");
+
+class Subclass2 extends Base {
+  constructor(x, y) {
+    constructCounts.subclass2++;
+    assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`");
+    assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`");
+    assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`");
+    super(1, 2);
+  }
+}
+
+var s2 = new Subclass2(3, 4);
+assert.sameValue(Subclass2.length, 2, "The value of `Subclass2.length` is `2`, because there are 2 formal parameters");
+
+
+assert.sameValue(constructCounts.base, 3, "The value of `constructCounts.base` is `3`");
+assert.sameValue(constructCounts.subclass, 1, "The value of `constructCounts.subclass` is `1`");
+assert.sameValue(constructCounts.subclass2, 1, "The value of `constructCounts.subclass2` is `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/arguments/browser.js b/js/src/tests/test262/language/statements/class/arguments/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/arguments/browser.js
diff --git a/js/src/tests/test262/language/statements/class/arguments/default-constructor.js b/js/src/tests/test262/language/statements/class/arguments/default-constructor.js
new file mode 100644
index 0000000000..f30ec66b5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/arguments/default-constructor.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class default constructor arguments
+---*/
+var args, that;
+class Base {
+  constructor() {
+    that = this;
+    args = arguments;
+  }
+}
+class Derived extends Base {}
+
+new Derived;
+assert.sameValue(args.length, 0, "The value of `args.length` is `0`");
+
+new Derived(0, 1, 2);
+assert.sameValue(args.length, 3, "The value of `args.length` is `3`");
+assert.sameValue(
+  that instanceof Derived,
+  true,
+  "The result of `that instanceof Derived` is `true`"
+);
+
+var arr = new Array(100);
+var obj = {};
+assert.throws(TypeError, function() {Derived.apply(obj, arr);});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/arguments/shell.js b/js/src/tests/test262/language/statements/class/arguments/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/arguments/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-meth-escaped-async.js b/js/src/tests/test262/language/statements/class/async-gen-meth-escaped-async.js
new file mode 100644
index 0000000000..247290d7a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-meth-escaped-async.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-grammar-notation
+description: >
+  The `async` contextual keyword must not contain Unicode escape sequences.
+info: |
+  Terminal symbols are shown
+  in fixed width font, both in the productions of the grammars and throughout this
+  specification whenever the text directly refers to such a terminal symbol. These
+  are to appear in a script exactly as written. All terminal symbol code points
+  specified in this way are to be understood as the appropriate Unicode code points
+  from the Basic Latin range, as opposed to any similar-looking code points from
+  other Unicode ranges.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+    \u0061sync* m(){}
+};
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..949ef653e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/array-destructuring-param-strict-body.js
@@ -0,0 +1,138 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..c1aa9803dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    var \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier.js
new file mode 100644
index 0000000000..d7f1e1cfba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    var await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..808d003b1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    void \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference.js
new file mode 100644
index 0000000000..0a231fb8ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    void await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..3cc2db647d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    \u0061wait: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier.js
new file mode 100644
index 0000000000..c511ce78db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/await-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    await: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-abrupt.js
new file mode 100644
index 0000000000..81e14dc50e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-abrupt.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..49010f9797
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,92 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Use of initializer when argument value is not `undefined` (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(false, '', NaN, 0, null, obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..608b9cb883
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-arg-val-undefined.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Use of initializer when argument value is `undefined` (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(undefined, void 0).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-duplicates.js
new file mode 100644
index 0000000000..9b7901cd65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-duplicates.js
@@ -0,0 +1,67 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-later.js
new file mode 100644
index 0000000000..30fc7fa7c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-later.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..daf60509b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-prior.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(3).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-self.js
new file mode 100644
index 0000000000..9f2bc4dfdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-ref-self.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Referencing a parameter from within its own initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-rest.js
new file mode 100644
index 0000000000..5e6b021d1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-rest.js
@@ -0,0 +1,71 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: RestParameter does not support an initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..16ae5a99e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/dflt-params-trailing-comma.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, undefined, 1).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..ccf94751ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-gen-meth-static.template
+/*---
+description: Forbidden extension, f.arguments (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..8e4893e5cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/cls-decl-async-gen-meth-static-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..4071306341
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..7c47646f0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..c845f26f16
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/cls-decl-async-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..0669b18670
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/object-destructuring-param-strict-body.js
@@ -0,0 +1,138 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..5ac5a17650
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-multiple.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, 39, 1).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 2, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-single.js
new file mode 100644
index 0000000000..ce92295b3d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/params-trailing-comma-single.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-async-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (static class declaration async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, 39).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-param-strict-body.js
new file mode 100644
index 0000000000..6f77dcec53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-param-strict-body.js
@@ -0,0 +1,138 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..cbc14b1619
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,64 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth-static.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async *method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..04f56c8bd7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..f3b028e636
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..61bb80ffeb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..3e6df8cc98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..ed8c94e6ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier.js
new file mode 100644
index 0000000000..58f5930948
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..de3f96587b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,55 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-spread-strict.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [object-spread, async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..7ef3a6f717
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-strict-strict.js
@@ -0,0 +1,46 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-strict.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    (function() {
+        var yield;
+        throw new Test262Error();
+      }())
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-catch.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-catch.js
new file mode 100644
index 0000000000..2c9fde7744
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-catch.js
@@ -0,0 +1,51 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-catch.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield Promise.reject(error);
+    yield "unreachable";
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}).catch(rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+});
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-async-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-async-iterator.js
new file mode 100644
index 0000000000..347dfc59cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-async-iterator.js
@@ -0,0 +1,57 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-async-iterator.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield * [Promise.reject(value)] is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    for await (let line of readFile()) {
+      yield line;
+    }
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js
new file mode 100644
index 0000000000..09cbb76b40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js
@@ -0,0 +1,56 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-sync-iterator.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield Promise.reject(value) in for-await-of is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    for await (let value of iterable) {
+      yield value;
+    }
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-async-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-async-iterator.js
new file mode 100644
index 0000000000..bd83eced36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-async-iterator.js
@@ -0,0 +1,55 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-async-iterator.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield * readFile();
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}, $DONE).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-sync-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-sync-iterator.js
new file mode 100644
index 0000000000..e081278277
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next-yield-star-sync-iterator.js
@@ -0,0 +1,54 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-sync-iterator.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield * iterable;
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next.js
new file mode 100644
index 0000000000..e3cd184f98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-promise-reject-next.js
@@ -0,0 +1,51 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield Promise.reject(error);
+    yield "unreachable";
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..a45a13e0bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-multiple.js
@@ -0,0 +1,57 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-multiple.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Use yield value in a array spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield [...yield yield];
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+
+item.then(({ done, value }) => {
+  item = iter.next(value);
+
+  item.then(({ done, value }) => {
+    assert.compareArray(value, arr);
+    assert.sameValue(done, false);
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-single.js
new file mode 100644
index 0000000000..21f3704f58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-arr-single.js
@@ -0,0 +1,56 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-single.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Use yield value in a array spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield [...yield];
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next(false);
+var item = iter.next(arr);
+
+item.then(({ done, value }) => {
+  assert.notSameValue(value, arr, 'value is a new array');
+  assert(Array.isArray(value), 'value is an Array exotic object');
+  assert.sameValue(value.length, 3)
+  assert.sameValue(value[0], 'a');
+  assert.sameValue(value[1], 'b');
+  assert.sameValue(value[2], 'c');
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-obj.js
new file mode 100644
index 0000000000..dc5be5b91e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-spread-obj.js
@@ -0,0 +1,59 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-obj.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Use yield value in a object spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [object-spread, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield {
+        ...yield,
+        y: 1,
+        ...yield yield,
+      };
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+item.then(({ done, value }) => {
+  assert.sameValue(value.x, 42);
+  assert.sameValue(value.y, 39);
+  assert.sameValue(Object.keys(value).length, 2);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-next.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-next.js
new file mode 100644
index 0000000000..05ee32010d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-next.js
@@ -0,0 +1,226 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-next.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Execution order for yield* with async iterator and next() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({ name: "get [Symbol.iterator]" });
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({
+      name: "get [Symbol.asyncIterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.asyncIterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "asyncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-promise-1",
+                get then() {
+                  log.push({
+                    name: "get next then (1)",
+                    thisValue: this
+                  });
+                  return function(resolve) {
+                    log.push({
+                      name: "call next then (1)",
+                      thisValue: this,
+                      args: [...arguments]
+                    });
+
+                    resolve({
+                      name: "next-result-1",
+                      get value() {
+                        log.push({
+                          name: "get next value (1)",
+                          thisValue: this
+                        });
+                        return "next-value-1";
+                      },
+                      get done() {
+                        log.push({
+                          name: "get next done (1)",
+                          thisValue: this
+                        });
+                        return false;
+                      }
+                    });
+                  };
+                }
+              };
+            }
+
+            return {
+              name: "next-promise-2",
+              get then() {
+                log.push({
+                  name: "get next then (2)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call next then (2)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "next-result-2",
+                    get value() {
+                      log.push({
+                        name: "get next value (2)",
+                        thisValue: this
+                      });
+                      return "next-value-2";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get next done (2)",
+                        thisValue: this
+                      });
+                      return true;
+                    }
+                  });
+                };
+              }
+            };
+          };
+        }
+      };
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+  assert.sameValue(log[1].thisValue, obj, "get [Symbol.asyncIterator] thisValue");
+
+  assert.sameValue(log[2].name, "call [Symbol.asyncIterator]");
+  assert.sameValue(log[2].thisValue, obj, "[Symbol.asyncIterator] thisValue");
+  assert.sameValue(log[2].args.length, 0, "[Symbol.asyncIterator] args.length");
+
+  assert.sameValue(log[3].name, "get next");
+  assert.sameValue(log[3].thisValue.name, "asyncIterator", "get next thisValue");
+
+  assert.sameValue(log[4].name, "call next");
+  assert.sameValue(log[4].thisValue.name, "asyncIterator", "next thisValue");
+  assert.sameValue(log[4].args.length, 1, "next args.length");
+  assert.sameValue(log[4].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[5].name, "get next then (1)");
+  assert.sameValue(log[5].thisValue.name, "next-promise-1", "get next then thisValue");
+
+  assert.sameValue(log[6].name, "call next then (1)");
+  assert.sameValue(log[6].thisValue.name, "next-promise-1", "next then thisValue");
+  assert.sameValue(log[6].args.length, 2, "next then args.length");
+  assert.sameValue(typeof log[6].args[0], "function", "next then args[0]");
+  assert.sameValue(typeof log[6].args[1], "function", "next then args[1]");
+
+  assert.sameValue(log[7].name, "get next done (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[8].name, "get next value (1)");
+  assert.sameValue(log[8].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 9, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[9].name, "call next");
+    assert.sameValue(log[9].thisValue.name, "asyncIterator", "next thisValue");
+    assert.sameValue(log[9].args.length, 1, "next args.length");
+    assert.sameValue(log[9].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[10].name, "get next then (2)");
+    assert.sameValue(log[10].thisValue.name, "next-promise-2", "get next then thisValue");
+
+    assert.sameValue(log[11].name, "call next then (2)");
+    assert.sameValue(log[11].thisValue.name, "next-promise-2", "next then thisValue");
+    assert.sameValue(log[11].args.length, 2, "next then args.length");
+    assert.sameValue(typeof log[11].args[0], "function", "next then args[0]");
+    assert.sameValue(typeof log[11].args[1], "function", "next then args[1]");
+
+    assert.sameValue(log[12].name, "get next done (2)");
+    assert.sameValue(log[12].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[13].name, "get next value (2)");
+    assert.sameValue(log[13].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[14].name, "after yield*");
+    assert.sameValue(log[14].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 15, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-return.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-return.js
new file mode 100644
index 0000000000..4b3cc6a36d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-return.js
@@ -0,0 +1,242 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-return.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: execution order for yield* with async iterator and return() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator, « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. If generatorKind is async, then set value to ? Await(value).
+             3. Return Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}.
+        ix. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+        ...
+
+    AsyncGeneratorYield ( value )
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var returnCount = 0;
+    return {
+      name: 'asyncIterator',
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-promise-1",
+              get then() {
+                log.push({
+                  name: "get return then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call return then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "return-result-1",
+                    get value() {
+                      log.push({
+                        name: "get return value (1)",
+                        thisValue: this
+                      });
+                      return "return-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get return done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "return-promise-2",
+            get then() {
+              log.push({
+                name: "get return then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call return then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "return-result-2",
+                  get value() {
+                    log.push({
+                      name: "get return value (2)",
+                      thisValue: this
+                    });
+                    return "return-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get return done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      yield* obj;
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return then (1)");
+    assert.sameValue(log[4].thisValue.name, "return-promise-1", "get return then thisValue");
+
+    assert.sameValue(log[5].name, "call return then (1)");
+    assert.sameValue(log[5].thisValue.name, "return-promise-1", "return then thisValue");
+    assert.sameValue(log[5].args.length, 2, "return then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "return then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "return then args[1]");
+
+    assert.sameValue(log[6].name, "get return done (1)");
+    assert.sameValue(log[6].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[7].name, "get return value (1)");
+    assert.sameValue(log[7].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.return("return-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get return");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get return thisValue");
+
+      assert.sameValue(log[9].name, "call return");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "return thisValue");
+      assert.sameValue(log[9].args.length, 1, "return args.length");
+      assert.sameValue(log[9].args[0], "return-arg-2", "return args[0]");
+
+      assert.sameValue(log[10].name, "get return then (2)");
+      assert.sameValue(log[10].thisValue.name, "return-promise-2", "get return then thisValue");
+
+      assert.sameValue(log[11].name, "call return then (2)");
+      assert.sameValue(log[11].thisValue.name, "return-promise-2", "return then thisValue");
+      assert.sameValue(log[11].args.length, 2, "return then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "return then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "return then args[1]");
+
+      assert.sameValue(log[12].name, "get return done (2)");
+      assert.sameValue(log[12].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[13].name, "get return value (2)");
+      assert.sameValue(log[13].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 14, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-throw.js
new file mode 100644
index 0000000000..15c8c04084
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-async-throw.js
@@ -0,0 +1,250 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: execution order for yield* with async iterator and throw() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Let resultValue be Return ? IteratorValue(innerResult).
+            b. If generatorKind is async, then set resultValue to ? Await(resultValue).
+            c. Return resultValue.
+          7. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+      ...
+
+    AsyncGeneratorYield ( value )
+
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var throwCount = 0;
+    return {
+      name: "asyncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-promise-1",
+              get then() {
+                log.push({
+                  name: "get throw then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call throw then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "throw-result-1",
+                    get value() {
+                      log.push({
+                        name: "get throw value (1)",
+                        thisValue: this
+                      });
+                      return "throw-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get throw done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "throw-promise-2",
+            get then() {
+              log.push({
+                name: "get throw then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call throw then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "throw-result-2",
+                  get value() {
+                    log.push({
+                      name: "get throw value (2)",
+                      thisValue: this
+                    });
+                    return "throw-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get throw done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw then (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-promise-1", "get throw thisValue");
+
+    assert.sameValue(log[5].name, "call throw then (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-promise-1", "throw thisValue");
+    assert.sameValue(log[5].args.length, 2, "throw then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "throw then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "throw then args[1]");
+
+    assert.sameValue(log[6].name, "get throw done (1)");
+    assert.sameValue(log[6].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[7].name, "get throw value (1)");
+    assert.sameValue(log[7].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.throw("throw-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get throw");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get throw thisValue");
+
+      assert.sameValue(log[9].name, "call throw");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "throw thisValue");
+      assert.sameValue(log[9].args.length, 1, "throw args.length");
+      assert.sameValue(log[9].args[0], "throw-arg-2", "throw args[0]");
+
+      assert.sameValue(log[10].name, "get throw then (2)");
+      assert.sameValue(log[10].thisValue.name, "throw-promise-2", "get throw thisValue");
+
+      assert.sameValue(log[11].name, "call throw then (2)");
+      assert.sameValue(log[11].thisValue.name, "throw-promise-2", "throw thisValue");
+      assert.sameValue(log[11].args.length, 2, "throw then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "throw then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "throw then args[1]");
+
+      assert.sameValue(log[12].name, "get throw done (2)");
+      assert.sameValue(log[12].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[13].name, "get throw value (2)");
+      assert.sameValue(log[13].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[14].name, "after yield*");
+      assert.sameValue(log[14].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 15, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-expr-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-expr-abrupt.js
new file mode 100644
index 0000000000..6389d5345b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-expr-abrupt.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-expr-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting yield* operand (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    ...
+
+---*/
+var obj = {};
+var abrupt = function() {
+  throw obj;
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* abrupt();
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, obj, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-get-abrupt.js
new file mode 100644
index 0000000000..48307a3ce3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-get-abrupt.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting [Symbol.asyncIterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  get [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..3403913eaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-boolean-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-number-throw.js
new file mode 100644
index 0000000000..979a5d2798
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-number-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-object-throw.js
new file mode 100644
index 0000000000..37be5fcdf5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-object-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-string-throw.js
new file mode 100644
index 0000000000..c536648457
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-string-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..6acc648eb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-not-callable-symbol-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: Symbol.asyncIterator
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-null-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-null-sync-get-abrupt.js
new file mode 100644
index 0000000000..37e1fe413e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-null-sync-get-abrupt.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-null-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting @@iterator after null @@asyncIterator (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-abrupt.js
new file mode 100644
index 0000000000..17bd7eeed7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-abrupt.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while calling [Symbol.asyncIterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-boolean-throw.js
new file mode 100644
index 0000000000..6d73237afe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-boolean-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-null-throw.js
new file mode 100644
index 0000000000..eab29d7628
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-null-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-number-throw.js
new file mode 100644
index 0000000000..2affab6fed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-number-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return 42;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-string-throw.js
new file mode 100644
index 0000000000..6fb7db7086
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-string-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return '42';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-symbol-throw.js
new file mode 100644
index 0000000000..e2d4c6438d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-symbol-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return Symbol.asyncIterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-undefined-throw.js
new file mode 100644
index 0000000000..0271cdef4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-returns-undefined-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js
new file mode 100644
index 0000000000..82f09b446e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-undefined-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting @@iterator after undefined @@asyncIterator (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-get-abrupt.js
new file mode 100644
index 0000000000..33d910c1a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-get-abrupt.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting [Symbol.iterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..256bfc66e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-number-throw.js
new file mode 100644
index 0000000000..ab6f71205f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-number-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-object-throw.js
new file mode 100644
index 0000000000..ff0f0108f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-object-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-string-throw.js
new file mode 100644
index 0000000000..eabfeae9d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-string-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..387dd91524
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: Symbol.iterator
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-abrupt.js
new file mode 100644
index 0000000000..8ebcd59b6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-abrupt.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while calling [Symbol.iterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-boolean-throw.js
new file mode 100644
index 0000000000..fc863e3bfc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-boolean-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-null-throw.js
new file mode 100644
index 0000000000..b5d48b88ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-null-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-number-throw.js
new file mode 100644
index 0000000000..cdc15f4b09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-number-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return 0;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-string-throw.js
new file mode 100644
index 0000000000..9370a13561
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-string-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return '';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-symbol-throw.js
new file mode 100644
index 0000000000..e04e09b272
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-symbol-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return Symbol.iterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-undefined-throw.js
new file mode 100644
index 0000000000..afdf0ef493
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-getiter-sync-returns-undefined-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-done-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-done-get-abrupt.js
new file mode 100644
index 0000000000..c601d51199
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-done-get-abrupt.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-done-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting done (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get done() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-returns-abrupt.js
new file mode 100644
index 0000000000..1a6db5d8a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-returns-abrupt.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while calling next (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-value-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-value-get-abrupt.js
new file mode 100644
index 0000000000..0b5990c744
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-call-value-get-abrupt.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-value-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          done: true,
+          get value() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-get-abrupt.js
new file mode 100644
index 0000000000..d27e07f33b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-get-abrupt.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Abrupt completion while getting next (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      get next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-non-object-ignores-then.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-non-object-ignores-then.js
new file mode 100644
index 0000000000..53a7eff8e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-non-object-ignores-then.js
@@ -0,0 +1,92 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-non-object-ignores-then.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: If next() value is not-object, do not access respective then property (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+
+---*/
+Number.prototype.then = function() {
+  throw new Test262Error('Number#then should not be used');
+};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return 42;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, 'TypeError');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..d6bcf220ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-boolean-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: true
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-null-throw.js
new file mode 100644
index 0000000000..b2c8f1e8a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-null-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-null-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: null
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-number-throw.js
new file mode 100644
index 0000000000..dbbf208489
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-number-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: 42
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-object-throw.js
new file mode 100644
index 0000000000..298c964de5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-object-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - object (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: {}
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-string-throw.js
new file mode 100644
index 0000000000..9ebbf19402
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-string-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: ''
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..b61aeb91d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-symbol-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: Symbol('oi')
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-undefined-throw.js
new file mode 100644
index 0000000000..74031fa546
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-not-callable-undefined-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Not-callable next value in a yield star position - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: undefined
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-get-abrupt.js
new file mode 100644
index 0000000000..573faffd03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-get-abrupt.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Return abrupt after getting next().then (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js
new file mode 100644
index 0000000000..05c76f2658
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-boolean-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: true,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js
new file mode 100644
index 0000000000..c789fadca3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-null-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (null) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: null,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js
new file mode 100644
index 0000000000..ef1ebee1d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-number-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: 39,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js
new file mode 100644
index 0000000000..f56613fafe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-object-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: {},
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js
new file mode 100644
index 0000000000..5d9ee1aaa1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-string-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: '',
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js
new file mode 100644
index 0000000000..baf92f8f13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-symbol-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: Symbol('oi'),
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js
new file mode 100644
index 0000000000..db0df04520
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-undefined-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (undefined) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: undefined,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-returns-abrupt.js
new file mode 100644
index 0000000000..92987f9a33
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-next-then-returns-abrupt.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: Return abrupt after calling next().then (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-next.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-next.js
new file mode 100644
index 0000000000..b6bb6ad955
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-next.js
@@ -0,0 +1,229 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-next.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: execution order for yield* with sync iterator and next() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    5. Let received be NormalCompletion(undefined).
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]).
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+        vii. Let received be GeneratorYield(innerResult).
+      ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    %AsyncFromSyncIteratorPrototype%.next ( value )
+
+    ...
+    5. Let nextResult be IteratorNext(syncIterator, value).
+    ...
+    7. Let nextValue be IteratorValue(nextResult).
+    ...
+    9. Let nextDone be IteratorComplete(nextResult).
+    ...
+    12. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « nextValue »).
+    ...
+    14. Set onFulfilled.[[Done]] to nextDone.
+    15. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+    Async Iterator Value Unwrap Functions
+
+    1. Return ! CreateIterResultObject(value, F.[[Done]]).
+
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({
+      name: "get [Symbol.iterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.iterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "syncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-result-1",
+                get value() {
+                  log.push({
+                    name: "get next value (1)",
+                    thisValue: this
+                  });
+                  return "next-value-1";
+                },
+                get done() {
+                  log.push({
+                    name: "get next done (1)",
+                    thisValue: this
+                  });
+                  return false;
+                }
+              };
+            }
+
+            return {
+              name: "next-result-2",
+              get value() {
+                log.push({
+                  name: "get next value (2)",
+                  thisValue: this
+                });
+                return "next-value-2";
+              },
+              get done() {
+                log.push({
+                  name: "get next done (2)",
+                  thisValue: this
+                });
+                return true;
+              }
+            };
+          };
+        }
+      };
+    };
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({ name: "get [Symbol.asyncIterator]" });
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+
+  assert.sameValue(log[2].name, "get [Symbol.iterator]");
+  assert.sameValue(log[2].thisValue, obj, "get [Symbol.iterator] thisValue");
+
+  assert.sameValue(log[3].name, "call [Symbol.iterator]");
+  assert.sameValue(log[3].thisValue, obj, "[Symbol.iterator] thisValue");
+  assert.sameValue(log[3].args.length, 0, "[Symbol.iterator] args.length");
+
+  assert.sameValue(log[4].name, "get next");
+  assert.sameValue(log[4].thisValue.name, "syncIterator", "get next thisValue");
+
+  assert.sameValue(log[5].name, "call next");
+  assert.sameValue(log[5].thisValue.name, "syncIterator", "next thisValue");
+  assert.sameValue(log[5].args.length, 1, "next args.length");
+  assert.sameValue(log[5].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[6].name, "get next done (1)");
+  assert.sameValue(log[6].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[7].name, "get next value (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 8, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[8].name, "call next");
+    assert.sameValue(log[8].thisValue.name, "syncIterator", "next thisValue");
+    assert.sameValue(log[8].args.length, 1, "next args.length");
+    assert.sameValue(log[8].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[9].name, "get next done (2)");
+    assert.sameValue(log[9].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[10].name, "get next value (2)");
+    assert.sameValue(log[10].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[11].name, "after yield*");
+    assert.sameValue(log[11].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 12, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-return.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-return.js
new file mode 100644
index 0000000000..f83ce21dd5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-return.js
@@ -0,0 +1,204 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-return.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: execution order for yield* with sync iterator and return() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator,
+            « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to
+           ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. Return Completion{[[Type]]: return, [[Value]]: value,
+                [[Target]]: empty}.
+        ix. Let received be GeneratorYield(innerResult).
+
+    %AsyncFromSyncIteratorPrototype%.return ( value )
+
+    5. Let return be GetMethod(syncIterator, "return").
+    ...
+    ...
+    8. Let returnResult be Call(return, syncIterator, « value »).
+    ...
+    11. Let returnValue be IteratorValue(returnResult).
+    ..
+    13. Let returnDone be IteratorComplete(returnResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined, « returnValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to returnDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var returnCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-result-1",
+              get value() {
+                log.push({
+                  name: "get return value (1)",
+                  thisValue: this
+                });
+                return "return-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get return done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "return-result-2",
+            get value() {
+              log.push({
+                name: "get return value (2)",
+                thisValue: this
+              });
+              return "return-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get return done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      yield* obj;
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return done (1)");
+    assert.sameValue(log[4].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[5].name, "get return value (1)");
+    assert.sameValue(log[5].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.return().then(v => {
+      assert.sameValue(log[6].name, "get return");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get return thisValue");
+
+      assert.sameValue(log[7].name, "call return");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "get return thisValue");
+      assert.sameValue(log[7].args.length, 1, "return args.length");
+      assert.sameValue(log[7].args[0], undefined, "return args[0]");
+
+      assert.sameValue(log[8].name, "get return done (2)");
+      assert.sameValue(log[8].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[9].name, "get return value (2)");
+      assert.sameValue(log[9].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 10, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-throw.js
new file mode 100644
index 0000000000..6924d9f8e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-star-sync-throw.js
@@ -0,0 +1,210 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-throw.case
+// - src/async-generators/default/async-class-decl-static-method.template
+/*---
+description: execution order for yield* with sync iterator and throw() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Return ? IteratorValue(innerResult).
+          7. Let received be GeneratorYield(innerResult).
+      ...
+
+    %AsyncFromSyncIteratorPrototype%.throw ( value )
+
+    ...
+    5. Let throw be GetMethod(syncIterator, "throw").
+    ...
+    8. Let throwResult be Call(throw, syncIterator, « value »).
+    ...
+    11. Let throwValue be IteratorValue(throwResult).
+    ...
+    13. Let throwDone be IteratorComplete(throwResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « throwValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to throwDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var throwCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-result-1",
+              get value() {
+                log.push({
+                  name: "get throw value (1)",
+                  thisValue: this
+                });
+                return "throw-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get throw done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "throw-result-2",
+            get value() {
+              log.push({
+                name: "get throw value (2)",
+                thisValue: this
+              });
+              return "throw-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get throw done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw done (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[5].name, "get throw value (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.throw().then(v => {
+      assert.sameValue(log[6].name, "get throw");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get throw thisValue");
+
+      assert.sameValue(log[7].name, "call throw");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "throw thisValue");
+      assert.sameValue(log[7].args.length, 1, "throw args.length");
+      assert.sameValue(log[7].args[0], undefined, "throw args[0]");
+
+      assert.sameValue(log[8].name, "get throw done (2)");
+      assert.sameValue(log[8].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[9].name, "get throw value (2)");
+      assert.sameValue(log[9].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[10].name, "after yield*");
+      assert.sameValue(log[10].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 11, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..afe29a17e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/array-destructuring-param-strict-body.js
@@ -0,0 +1,137 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..c769ed5e60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    var \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier.js
new file mode 100644
index 0000000000..b8da3a80d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    var await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..8bbc5763e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    void \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference.js
new file mode 100644
index 0000000000..c941d9c970
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    void await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..a80f495432
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    \u0061wait: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier.js
new file mode 100644
index 0000000000..f7dd596937
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/await-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    await: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-abrupt.js
new file mode 100644
index 0000000000..d1bcfa11ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-abrupt.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-async-gen-meth.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+var callCount = 0;
+class C {
+  async *method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..ee15d9a365
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: Use of initializer when argument value is not `undefined` (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+var callCount = 0;
+class C {
+  async *method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(false, '', NaN, 0, null, obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..711588c5a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-arg-val-undefined.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: Use of initializer when argument value is `undefined` (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+var callCount = 0;
+class C {
+  async *method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(undefined, void 0).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-duplicates.js
new file mode 100644
index 0000000000..0f0499f102
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-duplicates.js
@@ -0,0 +1,66 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-later.js
new file mode 100644
index 0000000000..934b90117e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-later.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-async-gen-meth.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  async *method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..f8d6fdb234
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-prior.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  async *method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(3).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js
new file mode 100644
index 0000000000..233d3c84b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-async-gen-meth.template
+/*---
+description: Referencing a parameter from within its own initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  async *method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-rest.js
new file mode 100644
index 0000000000..11481afb99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-rest.js
@@ -0,0 +1,70 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: RestParameter does not support an initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..a156db4c70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  async *method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, undefined, 1).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..25bfc4645e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,38 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-gen-meth.template
+/*---
+description: Forbidden extension, f.arguments (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, async-iteration, class, generators]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  async *method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..87675f55e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/cls-decl-async-gen-meth-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,38 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, async-iteration, class, generators]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  async *method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..1ee1d902c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..1cc848438f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..f1c8cb25fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/cls-decl-async-gen-meth-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  async *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..12171b4e5e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/object-destructuring-param-strict-body.js
@@ -0,0 +1,137 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..e86210f4f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-multiple.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  async *method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, 39, 1).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 2, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js
new file mode 100644
index 0000000000..a84e93b285
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-async-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (class declaration async generator method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  async *method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, 39).next().then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-gen-method/rest-param-strict-body.js
new file mode 100644
index 0000000000..93b4172858
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/rest-param-strict-body.js
@@ -0,0 +1,137 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/async-gen-method/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..ac3e44e824
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,63 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-async-gen-meth.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+class C {
+  async *method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/shell.js b/js/src/tests/test262/language/statements/class/async-gen-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..c516f6d840
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..e0ee916ba1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..1280b4655f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..6fe5770f86
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..5bdce639e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier.js
new file mode 100644
index 0000000000..ce338ce1b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..635f0c848c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,55 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-spread-strict.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [object-spread, async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..8fd9382ede
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-identifier-strict-strict.js
@@ -0,0 +1,46 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-strict.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    (function() {
+        var yield;
+        throw new Test262Error();
+      }())
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-catch.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-catch.js
new file mode 100644
index 0000000000..64f693bd72
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-catch.js
@@ -0,0 +1,51 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-catch.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield Promise.reject(error);
+    yield "unreachable";
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}).catch(rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+});
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-async-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-async-iterator.js
new file mode 100644
index 0000000000..83ecb6da04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-async-iterator.js
@@ -0,0 +1,57 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-async-iterator.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield * [Promise.reject(value)] is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    for await (let line of readFile()) {
+      yield line;
+    }
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-sync-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-sync-iterator.js
new file mode 100644
index 0000000000..45989ca753
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-for-await-of-sync-iterator.js
@@ -0,0 +1,56 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-sync-iterator.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield Promise.reject(value) in for-await-of is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    for await (let value of iterable) {
+      yield value;
+    }
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-async-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-async-iterator.js
new file mode 100644
index 0000000000..e7d1b5dbe7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-async-iterator.js
@@ -0,0 +1,55 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-async-iterator.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield * readFile();
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}, $DONE).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-sync-iterator.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-sync-iterator.js
new file mode 100644
index 0000000000..f6614c70fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next-yield-star-sync-iterator.js
@@ -0,0 +1,54 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-sync-iterator.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield * iterable;
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next.js
new file mode 100644
index 0000000000..6d10c0e0d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-promise-reject-next.js
@@ -0,0 +1,51 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield Promise.reject(error);
+    yield "unreachable";
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..1396fedca9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-multiple.js
@@ -0,0 +1,57 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-multiple.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Use yield value in a array spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield [...yield yield];
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+
+item.then(({ done, value }) => {
+  item = iter.next(value);
+
+  item.then(({ done, value }) => {
+    assert.compareArray(value, arr);
+    assert.sameValue(done, false);
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-single.js
new file mode 100644
index 0000000000..55b7f0855a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-arr-single.js
@@ -0,0 +1,56 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-single.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Use yield value in a array spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield [...yield];
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next(false);
+var item = iter.next(arr);
+
+item.then(({ done, value }) => {
+  assert.notSameValue(value, arr, 'value is a new array');
+  assert(Array.isArray(value), 'value is an Array exotic object');
+  assert.sameValue(value.length, 3)
+  assert.sameValue(value[0], 'a');
+  assert.sameValue(value[1], 'b');
+  assert.sameValue(value[2], 'c');
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-obj.js
new file mode 100644
index 0000000000..0e00dd9637
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-spread-obj.js
@@ -0,0 +1,59 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-obj.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Use yield value in a object spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [object-spread, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield {
+        ...yield,
+        y: 1,
+        ...yield yield,
+      };
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+item.then(({ done, value }) => {
+  assert.sameValue(value.x, 42);
+  assert.sameValue(value.y, 39);
+  assert.sameValue(Object.keys(value).length, 2);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-next.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-next.js
new file mode 100644
index 0000000000..84ecde54f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-next.js
@@ -0,0 +1,226 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-next.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Execution order for yield* with async iterator and next() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({ name: "get [Symbol.iterator]" });
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({
+      name: "get [Symbol.asyncIterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.asyncIterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "asyncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-promise-1",
+                get then() {
+                  log.push({
+                    name: "get next then (1)",
+                    thisValue: this
+                  });
+                  return function(resolve) {
+                    log.push({
+                      name: "call next then (1)",
+                      thisValue: this,
+                      args: [...arguments]
+                    });
+
+                    resolve({
+                      name: "next-result-1",
+                      get value() {
+                        log.push({
+                          name: "get next value (1)",
+                          thisValue: this
+                        });
+                        return "next-value-1";
+                      },
+                      get done() {
+                        log.push({
+                          name: "get next done (1)",
+                          thisValue: this
+                        });
+                        return false;
+                      }
+                    });
+                  };
+                }
+              };
+            }
+
+            return {
+              name: "next-promise-2",
+              get then() {
+                log.push({
+                  name: "get next then (2)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call next then (2)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "next-result-2",
+                    get value() {
+                      log.push({
+                        name: "get next value (2)",
+                        thisValue: this
+                      });
+                      return "next-value-2";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get next done (2)",
+                        thisValue: this
+                      });
+                      return true;
+                    }
+                  });
+                };
+              }
+            };
+          };
+        }
+      };
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+  assert.sameValue(log[1].thisValue, obj, "get [Symbol.asyncIterator] thisValue");
+
+  assert.sameValue(log[2].name, "call [Symbol.asyncIterator]");
+  assert.sameValue(log[2].thisValue, obj, "[Symbol.asyncIterator] thisValue");
+  assert.sameValue(log[2].args.length, 0, "[Symbol.asyncIterator] args.length");
+
+  assert.sameValue(log[3].name, "get next");
+  assert.sameValue(log[3].thisValue.name, "asyncIterator", "get next thisValue");
+
+  assert.sameValue(log[4].name, "call next");
+  assert.sameValue(log[4].thisValue.name, "asyncIterator", "next thisValue");
+  assert.sameValue(log[4].args.length, 1, "next args.length");
+  assert.sameValue(log[4].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[5].name, "get next then (1)");
+  assert.sameValue(log[5].thisValue.name, "next-promise-1", "get next then thisValue");
+
+  assert.sameValue(log[6].name, "call next then (1)");
+  assert.sameValue(log[6].thisValue.name, "next-promise-1", "next then thisValue");
+  assert.sameValue(log[6].args.length, 2, "next then args.length");
+  assert.sameValue(typeof log[6].args[0], "function", "next then args[0]");
+  assert.sameValue(typeof log[6].args[1], "function", "next then args[1]");
+
+  assert.sameValue(log[7].name, "get next done (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[8].name, "get next value (1)");
+  assert.sameValue(log[8].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 9, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[9].name, "call next");
+    assert.sameValue(log[9].thisValue.name, "asyncIterator", "next thisValue");
+    assert.sameValue(log[9].args.length, 1, "next args.length");
+    assert.sameValue(log[9].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[10].name, "get next then (2)");
+    assert.sameValue(log[10].thisValue.name, "next-promise-2", "get next then thisValue");
+
+    assert.sameValue(log[11].name, "call next then (2)");
+    assert.sameValue(log[11].thisValue.name, "next-promise-2", "next then thisValue");
+    assert.sameValue(log[11].args.length, 2, "next then args.length");
+    assert.sameValue(typeof log[11].args[0], "function", "next then args[0]");
+    assert.sameValue(typeof log[11].args[1], "function", "next then args[1]");
+
+    assert.sameValue(log[12].name, "get next done (2)");
+    assert.sameValue(log[12].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[13].name, "get next value (2)");
+    assert.sameValue(log[13].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[14].name, "after yield*");
+    assert.sameValue(log[14].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 15, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-return.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-return.js
new file mode 100644
index 0000000000..f006307f4a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-return.js
@@ -0,0 +1,242 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-return.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: execution order for yield* with async iterator and return() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator, « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. If generatorKind is async, then set value to ? Await(value).
+             3. Return Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}.
+        ix. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+        ...
+
+    AsyncGeneratorYield ( value )
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var returnCount = 0;
+    return {
+      name: 'asyncIterator',
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-promise-1",
+              get then() {
+                log.push({
+                  name: "get return then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call return then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "return-result-1",
+                    get value() {
+                      log.push({
+                        name: "get return value (1)",
+                        thisValue: this
+                      });
+                      return "return-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get return done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "return-promise-2",
+            get then() {
+              log.push({
+                name: "get return then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call return then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "return-result-2",
+                  get value() {
+                    log.push({
+                      name: "get return value (2)",
+                      thisValue: this
+                    });
+                    return "return-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get return done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      yield* obj;
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return then (1)");
+    assert.sameValue(log[4].thisValue.name, "return-promise-1", "get return then thisValue");
+
+    assert.sameValue(log[5].name, "call return then (1)");
+    assert.sameValue(log[5].thisValue.name, "return-promise-1", "return then thisValue");
+    assert.sameValue(log[5].args.length, 2, "return then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "return then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "return then args[1]");
+
+    assert.sameValue(log[6].name, "get return done (1)");
+    assert.sameValue(log[6].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[7].name, "get return value (1)");
+    assert.sameValue(log[7].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.return("return-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get return");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get return thisValue");
+
+      assert.sameValue(log[9].name, "call return");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "return thisValue");
+      assert.sameValue(log[9].args.length, 1, "return args.length");
+      assert.sameValue(log[9].args[0], "return-arg-2", "return args[0]");
+
+      assert.sameValue(log[10].name, "get return then (2)");
+      assert.sameValue(log[10].thisValue.name, "return-promise-2", "get return then thisValue");
+
+      assert.sameValue(log[11].name, "call return then (2)");
+      assert.sameValue(log[11].thisValue.name, "return-promise-2", "return then thisValue");
+      assert.sameValue(log[11].args.length, 2, "return then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "return then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "return then args[1]");
+
+      assert.sameValue(log[12].name, "get return done (2)");
+      assert.sameValue(log[12].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[13].name, "get return value (2)");
+      assert.sameValue(log[13].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 14, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-throw.js
new file mode 100644
index 0000000000..b7af5893bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-async-throw.js
@@ -0,0 +1,250 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: execution order for yield* with async iterator and throw() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Let resultValue be Return ? IteratorValue(innerResult).
+            b. If generatorKind is async, then set resultValue to ? Await(resultValue).
+            c. Return resultValue.
+          7. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+      ...
+
+    AsyncGeneratorYield ( value )
+
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var throwCount = 0;
+    return {
+      name: "asyncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-promise-1",
+              get then() {
+                log.push({
+                  name: "get throw then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call throw then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "throw-result-1",
+                    get value() {
+                      log.push({
+                        name: "get throw value (1)",
+                        thisValue: this
+                      });
+                      return "throw-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get throw done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "throw-promise-2",
+            get then() {
+              log.push({
+                name: "get throw then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call throw then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "throw-result-2",
+                  get value() {
+                    log.push({
+                      name: "get throw value (2)",
+                      thisValue: this
+                    });
+                    return "throw-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get throw done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw then (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-promise-1", "get throw thisValue");
+
+    assert.sameValue(log[5].name, "call throw then (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-promise-1", "throw thisValue");
+    assert.sameValue(log[5].args.length, 2, "throw then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "throw then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "throw then args[1]");
+
+    assert.sameValue(log[6].name, "get throw done (1)");
+    assert.sameValue(log[6].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[7].name, "get throw value (1)");
+    assert.sameValue(log[7].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.throw("throw-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get throw");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get throw thisValue");
+
+      assert.sameValue(log[9].name, "call throw");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "throw thisValue");
+      assert.sameValue(log[9].args.length, 1, "throw args.length");
+      assert.sameValue(log[9].args[0], "throw-arg-2", "throw args[0]");
+
+      assert.sameValue(log[10].name, "get throw then (2)");
+      assert.sameValue(log[10].thisValue.name, "throw-promise-2", "get throw thisValue");
+
+      assert.sameValue(log[11].name, "call throw then (2)");
+      assert.sameValue(log[11].thisValue.name, "throw-promise-2", "throw thisValue");
+      assert.sameValue(log[11].args.length, 2, "throw then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "throw then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "throw then args[1]");
+
+      assert.sameValue(log[12].name, "get throw done (2)");
+      assert.sameValue(log[12].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[13].name, "get throw value (2)");
+      assert.sameValue(log[13].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[14].name, "after yield*");
+      assert.sameValue(log[14].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 15, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-expr-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-expr-abrupt.js
new file mode 100644
index 0000000000..9fa5fa10eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-expr-abrupt.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-expr-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting yield* operand (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    ...
+
+---*/
+var obj = {};
+var abrupt = function() {
+  throw obj;
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* abrupt();
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, obj, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-get-abrupt.js
new file mode 100644
index 0000000000..e3e4865196
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-get-abrupt.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting [Symbol.asyncIterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  get [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..ee931b78bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-boolean-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-number-throw.js
new file mode 100644
index 0000000000..02cef73682
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-number-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-object-throw.js
new file mode 100644
index 0000000000..7394078578
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-object-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-string-throw.js
new file mode 100644
index 0000000000..f672cfd0bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-string-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..c0fd63751f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-not-callable-symbol-throw.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: Symbol.asyncIterator
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-null-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-null-sync-get-abrupt.js
new file mode 100644
index 0000000000..87e5dd619b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-null-sync-get-abrupt.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-null-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting @@iterator after null @@asyncIterator (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-abrupt.js
new file mode 100644
index 0000000000..0ba984c4de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-abrupt.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while calling [Symbol.asyncIterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-boolean-throw.js
new file mode 100644
index 0000000000..35f08fbfd5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-boolean-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-null-throw.js
new file mode 100644
index 0000000000..46e9d344df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-null-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-number-throw.js
new file mode 100644
index 0000000000..a92c451abd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-number-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return 42;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-string-throw.js
new file mode 100644
index 0000000000..f6ff86e9c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-string-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return '42';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-symbol-throw.js
new file mode 100644
index 0000000000..6d3abc9a26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-symbol-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return Symbol.asyncIterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-undefined-throw.js
new file mode 100644
index 0000000000..3f821ab7e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-returns-undefined-throw.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
new file mode 100644
index 0000000000..39524b5304
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-undefined-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting @@iterator after undefined @@asyncIterator (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-get-abrupt.js
new file mode 100644
index 0000000000..d0b336e722
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-get-abrupt.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting [Symbol.iterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..6f44d3ee98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-boolean-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-number-throw.js
new file mode 100644
index 0000000000..3fb3df0fa8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-number-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-object-throw.js
new file mode 100644
index 0000000000..4dcf06dc35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-object-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-string-throw.js
new file mode 100644
index 0000000000..ae77bebeaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-string-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..af6649ac1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-not-callable-symbol-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: Symbol.iterator
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-abrupt.js
new file mode 100644
index 0000000000..c7c1894a08
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-abrupt.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while calling [Symbol.iterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-boolean-throw.js
new file mode 100644
index 0000000000..116f08fe59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-boolean-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-null-throw.js
new file mode 100644
index 0000000000..7471f6b535
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-null-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-number-throw.js
new file mode 100644
index 0000000000..cf39a2c8c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-number-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return 0;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-string-throw.js
new file mode 100644
index 0000000000..5bd0727fef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-string-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return '';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-symbol-throw.js
new file mode 100644
index 0000000000..9943d01a31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-symbol-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return Symbol.iterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-undefined-throw.js
new file mode 100644
index 0000000000..316be8f17e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-sync-returns-undefined-throw.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-done-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-done-get-abrupt.js
new file mode 100644
index 0000000000..c3789c2873
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-done-get-abrupt.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-done-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting done (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get done() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-returns-abrupt.js
new file mode 100644
index 0000000000..5018bbb2be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-returns-abrupt.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while calling next (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-value-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-value-get-abrupt.js
new file mode 100644
index 0000000000..e5c8b1b039
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-call-value-get-abrupt.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-value-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          done: true,
+          get value() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-get-abrupt.js
new file mode 100644
index 0000000000..2fb2a77100
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-get-abrupt.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting next (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      get next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-non-object-ignores-then.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-non-object-ignores-then.js
new file mode 100644
index 0000000000..0e47083f23
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-non-object-ignores-then.js
@@ -0,0 +1,92 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-non-object-ignores-then.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: If next() value is not-object, do not access respective then property (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+
+---*/
+Number.prototype.then = function() {
+  throw new Test262Error('Number#then should not be used');
+};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return 42;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, 'TypeError');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..40dfa0aa49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-boolean-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: true
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-null-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-null-throw.js
new file mode 100644
index 0000000000..f24943e9ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-null-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-null-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: null
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-number-throw.js
new file mode 100644
index 0000000000..64a27fae1e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-number-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: 42
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-object-throw.js
new file mode 100644
index 0000000000..a1ef33d2bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-object-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - object (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: {}
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-string-throw.js
new file mode 100644
index 0000000000..be3c40ec57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-string-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: ''
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..8d5c129490
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-symbol-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: Symbol('oi')
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-undefined-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-undefined-throw.js
new file mode 100644
index 0000000000..0a755d6f73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-not-callable-undefined-throw.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-undefined-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Not-callable next value in a yield star position - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: undefined
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-get-abrupt.js
new file mode 100644
index 0000000000..c233ce580a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-get-abrupt.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Return abrupt after getting next().then (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js
new file mode 100644
index 0000000000..d9086dcba6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-boolean-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: true,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-null-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-null-fulfillpromise.js
new file mode 100644
index 0000000000..e1fa7fde10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-null-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-null-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (null) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: null,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-number-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-number-fulfillpromise.js
new file mode 100644
index 0000000000..c1d0811a23
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-number-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-number-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: 39,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-object-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-object-fulfillpromise.js
new file mode 100644
index 0000000000..71d346bc80
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-object-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-object-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: {},
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-string-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-string-fulfillpromise.js
new file mode 100644
index 0000000000..d957d8af7b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-string-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-string-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: '',
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js
new file mode 100644
index 0000000000..339c5f09f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-symbol-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: Symbol('oi'),
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js
new file mode 100644
index 0000000000..4153342a2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-undefined-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (undefined) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: undefined,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-returns-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-returns-abrupt.js
new file mode 100644
index 0000000000..a8c6fa6699
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-next-then-returns-abrupt.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Return abrupt after calling next().then (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-next.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-next.js
new file mode 100644
index 0000000000..8f5fc9702e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-next.js
@@ -0,0 +1,229 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-next.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: execution order for yield* with sync iterator and next() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    5. Let received be NormalCompletion(undefined).
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]).
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+        vii. Let received be GeneratorYield(innerResult).
+      ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    %AsyncFromSyncIteratorPrototype%.next ( value )
+
+    ...
+    5. Let nextResult be IteratorNext(syncIterator, value).
+    ...
+    7. Let nextValue be IteratorValue(nextResult).
+    ...
+    9. Let nextDone be IteratorComplete(nextResult).
+    ...
+    12. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « nextValue »).
+    ...
+    14. Set onFulfilled.[[Done]] to nextDone.
+    15. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+    Async Iterator Value Unwrap Functions
+
+    1. Return ! CreateIterResultObject(value, F.[[Done]]).
+
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({
+      name: "get [Symbol.iterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.iterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "syncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-result-1",
+                get value() {
+                  log.push({
+                    name: "get next value (1)",
+                    thisValue: this
+                  });
+                  return "next-value-1";
+                },
+                get done() {
+                  log.push({
+                    name: "get next done (1)",
+                    thisValue: this
+                  });
+                  return false;
+                }
+              };
+            }
+
+            return {
+              name: "next-result-2",
+              get value() {
+                log.push({
+                  name: "get next value (2)",
+                  thisValue: this
+                });
+                return "next-value-2";
+              },
+              get done() {
+                log.push({
+                  name: "get next done (2)",
+                  thisValue: this
+                });
+                return true;
+              }
+            };
+          };
+        }
+      };
+    };
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({ name: "get [Symbol.asyncIterator]" });
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+
+  assert.sameValue(log[2].name, "get [Symbol.iterator]");
+  assert.sameValue(log[2].thisValue, obj, "get [Symbol.iterator] thisValue");
+
+  assert.sameValue(log[3].name, "call [Symbol.iterator]");
+  assert.sameValue(log[3].thisValue, obj, "[Symbol.iterator] thisValue");
+  assert.sameValue(log[3].args.length, 0, "[Symbol.iterator] args.length");
+
+  assert.sameValue(log[4].name, "get next");
+  assert.sameValue(log[4].thisValue.name, "syncIterator", "get next thisValue");
+
+  assert.sameValue(log[5].name, "call next");
+  assert.sameValue(log[5].thisValue.name, "syncIterator", "next thisValue");
+  assert.sameValue(log[5].args.length, 1, "next args.length");
+  assert.sameValue(log[5].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[6].name, "get next done (1)");
+  assert.sameValue(log[6].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[7].name, "get next value (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 8, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[8].name, "call next");
+    assert.sameValue(log[8].thisValue.name, "syncIterator", "next thisValue");
+    assert.sameValue(log[8].args.length, 1, "next args.length");
+    assert.sameValue(log[8].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[9].name, "get next done (2)");
+    assert.sameValue(log[9].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[10].name, "get next value (2)");
+    assert.sameValue(log[10].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[11].name, "after yield*");
+    assert.sameValue(log[11].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 12, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-return.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-return.js
new file mode 100644
index 0000000000..707b4d6f5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-return.js
@@ -0,0 +1,204 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-return.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: execution order for yield* with sync iterator and return() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator,
+            « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to
+           ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. Return Completion{[[Type]]: return, [[Value]]: value,
+                [[Target]]: empty}.
+        ix. Let received be GeneratorYield(innerResult).
+
+    %AsyncFromSyncIteratorPrototype%.return ( value )
+
+    5. Let return be GetMethod(syncIterator, "return").
+    ...
+    ...
+    8. Let returnResult be Call(return, syncIterator, « value »).
+    ...
+    11. Let returnValue be IteratorValue(returnResult).
+    ..
+    13. Let returnDone be IteratorComplete(returnResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined, « returnValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to returnDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var returnCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-result-1",
+              get value() {
+                log.push({
+                  name: "get return value (1)",
+                  thisValue: this
+                });
+                return "return-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get return done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "return-result-2",
+            get value() {
+              log.push({
+                name: "get return value (2)",
+                thisValue: this
+              });
+              return "return-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get return done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      yield* obj;
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return done (1)");
+    assert.sameValue(log[4].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[5].name, "get return value (1)");
+    assert.sameValue(log[5].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.return().then(v => {
+      assert.sameValue(log[6].name, "get return");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get return thisValue");
+
+      assert.sameValue(log[7].name, "call return");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "get return thisValue");
+      assert.sameValue(log[7].args.length, 1, "return args.length");
+      assert.sameValue(log[7].args[0], undefined, "return args[0]");
+
+      assert.sameValue(log[8].name, "get return done (2)");
+      assert.sameValue(log[8].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[9].name, "get return value (2)");
+      assert.sameValue(log[9].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 10, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-throw.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-throw.js
new file mode 100644
index 0000000000..4721201d4d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-sync-throw.js
@@ -0,0 +1,210 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-throw.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: execution order for yield* with sync iterator and throw() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Return ? IteratorValue(innerResult).
+          7. Let received be GeneratorYield(innerResult).
+      ...
+
+    %AsyncFromSyncIteratorPrototype%.throw ( value )
+
+    ...
+    5. Let throw be GetMethod(syncIterator, "throw").
+    ...
+    8. Let throwResult be Call(throw, syncIterator, « value »).
+    ...
+    11. Let throwValue be IteratorValue(throwResult).
+    ...
+    13. Let throwDone be IteratorComplete(throwResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « throwValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to throwDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var throwCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-result-1",
+              get value() {
+                log.push({
+                  name: "get throw value (1)",
+                  thisValue: this
+                });
+                return "throw-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get throw done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "throw-result-2",
+            get value() {
+              log.push({
+                name: "get throw value (2)",
+                thisValue: this
+              });
+              return "throw-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get throw done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    log.push({ name: "before yield*" });
+      var v = yield* obj;
+      log.push({
+        name: "after yield*",
+        value: v
+      });
+      return "return-value";
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw done (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[5].name, "get throw value (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.throw().then(v => {
+      assert.sameValue(log[6].name, "get throw");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get throw thisValue");
+
+      assert.sameValue(log[7].name, "call throw");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "throw thisValue");
+      assert.sameValue(log[7].args.length, 1, "throw args.length");
+      assert.sameValue(log[7].args[0], undefined, "throw args[0]");
+
+      assert.sameValue(log[8].name, "get throw done (2)");
+      assert.sameValue(log[8].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[9].name, "get throw value (2)");
+      assert.sameValue(log[9].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[10].name, "after yield*");
+      assert.sameValue(log[10].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 11, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/async-meth-escaped-async.js b/js/src/tests/test262/language/statements/class/async-meth-escaped-async.js
new file mode 100644
index 0000000000..55b5bc1790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-meth-escaped-async.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-grammar-notation
+description: >
+  The `async` contextual keyword must not contain Unicode escape sequences.
+info: |
+  Terminal symbols are shown
+  in fixed width font, both in the productions of the grammars and throughout this
+  specification whenever the text directly refers to such a terminal symbol. These
+  are to appear in a script exactly as written. All terminal symbol code points
+  specified in this way are to be understood as the appropriate Unicode code points
+  from the Basic Latin range, as opposed to any similar-looking code points from
+  other Unicode ranges.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+    \u0061sync m(){}
+};
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method-static/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..3f3fcca036
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/array-destructuring-param-strict-body.js
@@ -0,0 +1,135 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..c4764c5a6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier-escaped.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    var \u0061wait;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier.js
new file mode 100644
index 0000000000..9e1d40d72d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-binding-identifier.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    var await;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..c345544674
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference-escaped.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    void \u0061wait;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference.js
new file mode 100644
index 0000000000..208b4624ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-identifier-reference.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    void await;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..b3ebdadd40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier-escaped.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    \u0061wait: ;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier.js
new file mode 100644
index 0000000000..93610ded3d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/await-as-label-identifier.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier.case
+// - src/async-functions/syntax/async-class-decl-static-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method() {
+    await: ;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/browser.js b/js/src/tests/test262/language/statements/class/async-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-abrupt.js
new file mode 100644
index 0000000000..432afbeed3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-abrupt.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-async-meth-static.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, Test262Error))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..ace02e7cb4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: Use of initializer when argument value is not `undefined` (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(false, '', NaN, 0, null, obj).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..50a0547e03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-arg-val-undefined.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: Use of initializer when argument value is `undefined` (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(undefined, void 0).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-duplicates.js
new file mode 100644
index 0000000000..1aa5b503e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-duplicates.js
@@ -0,0 +1,64 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-later.js
new file mode 100644
index 0000000000..f2f225fad3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-later.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-async-meth-static.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, ReferenceError))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..e66cf5a357
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-prior.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(3).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-self.js
new file mode 100644
index 0000000000..a38fd6dc54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-ref-self.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-async-meth-static.template
+/*---
+description: Referencing a parameter from within its own initializer (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  static async method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, ReferenceError))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-rest.js
new file mode 100644
index 0000000000..126f505a86
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-rest.js
@@ -0,0 +1,68 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: RestParameter does not support an initializer (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..005f2fcc09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/dflt-params-trailing-comma.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, undefined, 1).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..c619167177
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-meth-static.template
+/*---
+description: Forbidden extension, f.arguments (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..6424d9cf31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/cls-decl-async-meth-static-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, async-iteration, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..ba4b0c81c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..328536d3ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..94bb78a47a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/cls-decl-async-meth-static-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  static async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method-static/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..981b36d107
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/object-destructuring-param-strict-body.js
@@ -0,0 +1,135 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..5893063cbf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-multiple.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, 39, 1).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 2, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-single.js
new file mode 100644
index 0000000000..ddc52c4af0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/params-trailing-comma-single.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-async-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  static async method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+ref(42, 39).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method-static/rest-param-strict-body.js
new file mode 100644
index 0000000000..94e556e31a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/rest-param-strict-body.js
@@ -0,0 +1,135 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/async-method-static/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..39b5166cf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,60 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-async-meth-static.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class declaration async method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-arguments-from-parent-function.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-arguments-from-parent-function.js
new file mode 100644
index 0000000000..014ac6e200
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-arguments-from-parent-function.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-arguments-from-parent-function.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    let a = arguments;
+      return async () => a === arguments;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, true);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-newtarget.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-newtarget.js
new file mode 100644
index 0000000000..5f62fd347e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow-returns-newtarget.js
@@ -0,0 +1,40 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    return async () => new.target;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow.js
new file mode 100644
index 0000000000..718b3a1780
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-arrow.js
@@ -0,0 +1,40 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    return async () => x;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-arguments-from-own-function.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-arguments-from-own-function.js
new file mode 100644
index 0000000000..30f95d44a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-arguments-from-own-function.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-arguments-from-own-function.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    let a = arguments;
+      return async function() { return a === arguments; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, false);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-newtarget.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-newtarget.js
new file mode 100644
index 0000000000..35d0fc10f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function-returns-newtarget.js
@@ -0,0 +1,40 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    return async function() { return new.target; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function.js b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function.js
new file mode 100644
index 0000000000..f7f91ce8c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/returns-async-function.js
@@ -0,0 +1,40 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function.case
+// - src/async-functions/evaluation/async-class-decl-static-method.template
+/*---
+description: Async function returns an async function. (Static async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async method(x) {
+    return async function() { return x; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method-static/shell.js b/js/src/tests/test262/language/statements/class/async-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..3beeff44be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/array-destructuring-param-strict-body.js
@@ -0,0 +1,136 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..37f594452e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    var \u0061wait;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier.js
new file mode 100644
index 0000000000..d5316d1f95
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-binding-identifier.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    var await;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..d50ac7bbf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference-escaped.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    void \u0061wait;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference.js
new file mode 100644
index 0000000000..33d12e86cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-identifier-reference.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    void await;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..cb57855059
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    \u0061wait: ;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier.js
new file mode 100644
index 0000000000..514d8fa7d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/await-as-label-identifier.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier.case
+// - src/async-functions/syntax/async-class-decl-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method() {
+    await: ;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/browser.js b/js/src/tests/test262/language/statements/class/async-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-abrupt.js
new file mode 100644
index 0000000000..aaac592903
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-abrupt.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-async-meth.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, Test262Error))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..bed4014129
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: Use of initializer when argument value is not `undefined` (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+
+var callCount = 0;
+class C {
+  async method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(false, '', NaN, 0, null, obj).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..1081d0286d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-arg-val-undefined.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: Use of initializer when argument value is `undefined` (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(undefined, void 0).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-duplicates.js
new file mode 100644
index 0000000000..929fa6fe0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-duplicates.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-later.js
new file mode 100644
index 0000000000..6354543331
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-later.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-async-meth.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  async method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, ReferenceError))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..4ccffdb34a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-prior.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  async method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(3).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-self.js
new file mode 100644
index 0000000000..60d0a36730
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-ref-self.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-async-meth.template
+/*---
+description: Referencing a parameter from within its own initializer (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+class C {
+  async method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method()
+  .then(_ => {
+    throw new Test262Error('function should not be resolved');
+  }, error => assert.sameValue(error.constructor, ReferenceError))
+  .then(() => {
+    assert.sameValue(callCount, 0, 'function body is not evaluated');
+  }, $DONE)
+  .then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-rest.js
new file mode 100644
index 0000000000..053a8ea6e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-rest.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: RestParameter does not support an initializer (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/async-method/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..c37207785a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/dflt-params-trailing-comma.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  async method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, undefined, 1).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..741a765447
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-meth.template
+/*---
+description: Forbidden extension, f.arguments (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..dd2def5668
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/cls-decl-async-meth-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,39 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-async-meth.template
+/*---
+description: Forbidden extension, o.caller (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..affd996b64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth.template
+/*---
+description: Forbidden extension, o.caller (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..e144379c64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth.template
+/*---
+description: Forbidden extension, o.caller (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..6691fb340c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/cls-decl-async-meth-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-async-meth.template
+/*---
+description: Forbidden extension, o.caller (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [arrow-function, async-functions, class]
+flags: [generated, noStrict, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+
+var callCount = 0;
+class C {
+  async method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method()
+  .then(() => {
+    assert.sameValue(callCount, 1, 'function body evaluated');
+  }, $DONE).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/async-method/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..cf462c5e84
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/object-destructuring-param-strict-body.js
@@ -0,0 +1,136 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..3ed41638d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-multiple.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  async method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, 39, 1).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 2, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-single.js
new file mode 100644
index 0000000000..7f9df37483
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/params-trailing-comma-single.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-async-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+class C {
+  async method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+ref(42, 39).then(() => {
+    assert.sameValue(callCount, 1, 'method invoked exactly once');
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
diff --git a/js/src/tests/test262/language/statements/class/async-method/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/async-method/rest-param-strict-body.js
new file mode 100644
index 0000000000..0309fc746a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/rest-param-strict-body.js
@@ -0,0 +1,136 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/async-method/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..0599033ac7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,61 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-async-meth.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (class declaration async method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
+       let strict be false.
+    4. Let scope be the LexicalEnvironment of the running execution context.
+    5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
+       scope, strict).
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-arguments-from-parent-function.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-arguments-from-parent-function.js
new file mode 100644
index 0000000000..0cdf4958cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-arguments-from-parent-function.js
@@ -0,0 +1,42 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-arguments-from-parent-function.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    let a = arguments;
+      return async () => a === arguments;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, true);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-newtarget.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-newtarget.js
new file mode 100644
index 0000000000..d61779e664
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow-returns-newtarget.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    return async () => new.target;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow.js
new file mode 100644
index 0000000000..aacd815b31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-arrow.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    return async () => x;
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-arguments-from-own-function.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-arguments-from-own-function.js
new file mode 100644
index 0000000000..98a0426f37
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-arguments-from-own-function.js
@@ -0,0 +1,42 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-arguments-from-own-function.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    let a = arguments;
+      return async function() { return a === arguments; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, false);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-newtarget.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-newtarget.js
new file mode 100644
index 0000000000..cb0f41d3ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-function-returns-newtarget.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    return async function() { return new.target; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/returns-async-function.js b/js/src/tests/test262/language/statements/class/async-method/returns-async-function.js
new file mode 100644
index 0000000000..6ad1e995de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/returns-async-function.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function.case
+// - src/async-functions/evaluation/async-class-decl-method.template
+/*---
+description: Async function returns an async function. (Async method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async method(x) {
+    return async function() { return x; };
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/async-method/shell.js b/js/src/tests/test262/language/statements/class/async-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/browser.js b/js/src/tests/test262/language/statements/class/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/browser.js
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped-module.js b/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped-module.js
new file mode 100644
index 0000000000..bded6b457b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped-module.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError module
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `await` with escape sequence is a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if the goal symbol of the syntactic grammar is Module
+  and the StringValue of IdentifierName is "await".
+negative:
+  phase: parse
+  type: SyntaxError
+flags: [module]
+---*/
+
+$DONOTEVALUATE();
+
+class aw\u0061it {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped.js b/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped.js
new file mode 100644
index 0000000000..6cf03b3ef0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-await-escaped.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `await` with escape sequence is a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if the goal symbol of the syntactic grammar is Module
+  and the StringValue of IdentifierName is "await".
+---*/
+
+class aw\u0061it {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-await-module.js b/js/src/tests/test262/language/statements/class/class-name-ident-await-module.js
new file mode 100644
index 0000000000..5b5b4d7424
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-await-module.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError module
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `await` is a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  IdentifierReference : await
+
+  It is a Syntax Error if the goal symbol of the syntactic grammar is Module.
+negative:
+  phase: parse
+  type: SyntaxError
+flags: [module]
+---*/
+
+$DONOTEVALUATE();
+
+class await {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-await.js b/js/src/tests/test262/language/statements/class/class-name-ident-await.js
new file mode 100644
index 0000000000..aca98d4766
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-await.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `await` is a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  IdentifierReference : await
+
+  It is a Syntax Error if the goal symbol of the syntactic grammar is Module.
+---*/
+
+class await {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-let-escaped.js b/js/src/tests/test262/language/statements/class/class-name-ident-let-escaped.js
new file mode 100644
index 0000000000..47dd2701a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-let-escaped.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `let` with escape sequence is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if this phrase is contained in strict mode code and the
+  StringValue of IdentifierName is: "implements", "interface", "let", "package",
+  "private", "protected", "public", "static", or "yield".
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class l\u0065t {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-let.js b/js/src/tests/test262/language/statements/class/class-name-ident-let.js
new file mode 100644
index 0000000000..16bb5d0190
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-let.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `let` is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if this phrase is contained in strict mode code and the
+  StringValue of IdentifierName is: "implements", "interface", "let", "package",
+  "private", "protected", "public", "static", or "yield".
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class let {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-static-escaped.js b/js/src/tests/test262/language/statements/class/class-name-ident-static-escaped.js
new file mode 100644
index 0000000000..5c41524021
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-static-escaped.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `static` with escape sequence is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if this phrase is contained in strict mode code and the
+  StringValue of IdentifierName is: "implements", "interface", "let", "package",
+  "private", "protected", "public", "static", or "yield".
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class st\u0061tic {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-static.js b/js/src/tests/test262/language/statements/class/class-name-ident-static.js
new file mode 100644
index 0000000000..3ad03ceb52
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-static.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `static` is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if this phrase is contained in strict mode code and the
+  StringValue of IdentifierName is: "implements", "interface", "let", "package",
+  "private", "protected", "public", "static", or "yield".
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class static {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-yield-escaped.js b/js/src/tests/test262/language/statements/class/class-name-ident-yield-escaped.js
new file mode 100644
index 0000000000..79d93b963c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-yield-escaped.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `yield` with escape sequence is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  Identifier : IdentifierName but not ReservedWord
+
+  It is a Syntax Error if this phrase is contained in strict mode code and the
+  StringValue of IdentifierName is: "implements", "interface", "let", "package",
+  "private", "protected", "public", "static", or "yield".
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class yi\u0065ld {}
diff --git a/js/src/tests/test262/language/statements/class/class-name-ident-yield.js b/js/src/tests/test262/language/statements/class/class-name-ident-yield.js
new file mode 100644
index 0000000000..ad79976e01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/class-name-ident-yield.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions
+description: >
+  `yield` is not a valid class-name identifier.
+info: |
+  12.1.1 Static Semantics: Early Errors
+
+  IdentifierReference : yield
+
+  It is a Syntax Error if the code matched by this production is contained in strict mode code.
+
+  10.2.1 Strict Mode Code
+
+  All parts of a ClassDeclaration or a ClassExpression are strict mode code.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class yield {}
diff --git a/js/src/tests/test262/language/statements/class/classelementname-abrupt-completion.js b/js/src/tests/test262/language/statements/class/classelementname-abrupt-completion.js
new file mode 100644
index 0000000000..365825d9f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/classelementname-abrupt-completion.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class definition should error if evaluation of ClassElementName errors
+esid: sec-runtime-semantics-classdefinitionevaluation
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+  ...
+  27. For each ClassElement e in order from elements
+    a. If IsStatic of e is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+    b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+    c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+
+  Runtime Semantics: ClassElementEvaluation
+  ...
+    ClassElement : FieldDefinition ;
+      1. Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+  Runtime Semantics: ClassFieldDefinitionEvaluation
+  With parameters isStatic and homeObject.
+    FieldDefinition : ClassElementNameInitializer
+      1. Let fieldName be the result of evaluating ClassElementName.
+      2. ReturnIfAbrupt(fieldName).
+
+features: [class, class-fields-public]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    [f()]
+  }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-add.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-add.js
new file mode 100644
index 0000000000..0c03860f13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-add.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-add.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from additive expression "add" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1 + 1]() {
+    return 2;
+  }
+
+  set [1 + 1](v) {
+    return 2;
+  }
+
+  static get [1 + 1]() {
+    return 2;
+  }
+
+  static set [1 + 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 1],
+  2
+);
+assert.sameValue(
+  c[1 + 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[1 + 1],
+  2
+);
+assert.sameValue(
+  C[1 + 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(1 + 1)],
+  2
+);
+assert.sameValue(
+  c[String(1 + 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(1 + 1)],
+  2
+);
+assert.sameValue(
+  C[String(1 + 1)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-subtract.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-subtract.js
new file mode 100644
index 0000000000..1687b05265
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-additive-expression-subtract.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-subtract.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from additive expression "subtract" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1 - 1]() {
+    return 0;
+  }
+
+  set [1 - 1](v) {
+    return 0;
+  }
+
+  static get [1 - 1]() {
+    return 0;
+  }
+
+  static set [1 - 1](v) {
+    return 0;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 - 1],
+  0
+);
+assert.sameValue(
+  c[1 - 1] = 0,
+  0
+);
+
+assert.sameValue(
+  C[1 - 1],
+  0
+);
+assert.sameValue(
+  C[1 - 1] = 0,
+  0
+);
+assert.sameValue(
+  c[String(1 - 1)],
+  0
+);
+assert.sameValue(
+  c[String(1 - 1)] = 0,
+  0
+);
+
+assert.sameValue(
+  C[String(1 - 1)],
+  0
+);
+assert.sameValue(
+  C[String(1 - 1)] = 0,
+  0
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-arrow-function-expression.js
new file mode 100644
index 0000000000..35c62752f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-arrow-function-expression.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from arrow function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [() => { }]() {
+    return 1;
+  }
+
+  set [() => { }](v) {
+    return 1;
+  }
+
+  static get [() => { }]() {
+    return 1;
+  }
+
+  static set [() => { }](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[() => { }],
+  1
+);
+assert.sameValue(
+  c[() => { }] = 1,
+  1
+);
+
+assert.sameValue(
+  C[() => { }],
+  1
+);
+assert.sameValue(
+  C[() => { }] = 1,
+  1
+);
+assert.sameValue(
+  c[String(() => { })],
+  1
+);
+assert.sameValue(
+  c[String(() => { })] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(() => { })],
+  1
+);
+assert.sameValue(
+  C[String(() => { })] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-assignment.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-assignment.js
new file mode 100644
index 0000000000..03e77aa351
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-assignment.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-assignment.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from assignment expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x = 1]() {
+    return 2;
+  }
+
+  set [x = 1](v) {
+    return 2;
+  }
+
+  static get [x = 1]() {
+    return 2;
+  }
+
+  static set [x = 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x = 1],
+  2
+);
+assert.sameValue(
+  c[x = 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x = 1],
+  2
+);
+assert.sameValue(
+  C[x = 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x = 1)],
+  2
+);
+assert.sameValue(
+  c[String(x = 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x = 1)],
+  2
+);
+assert.sameValue(
+  C[String(x = 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-bitwise-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-bitwise-or.js
new file mode 100644
index 0000000000..b4596691f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-bitwise-or.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-bitwise-or.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from assignment expression bitwise or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x |= 1]() {
+    return 2;
+  }
+
+  set [x |= 1](v) {
+    return 2;
+  }
+
+  static get [x |= 1]() {
+    return 2;
+  }
+
+  static set [x |= 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x |= 1],
+  2
+);
+assert.sameValue(
+  c[x |= 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x |= 1],
+  2
+);
+assert.sameValue(
+  C[x |= 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x |= 1)],
+  2
+);
+assert.sameValue(
+  c[String(x |= 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x |= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x |= 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-coalesce.js
new file mode 100644
index 0000000000..4cebeb89d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-coalesce.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from assignment expression coalesce (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = null;
+
+
+class C {
+  get [x ??= 1]() {
+    return 2;
+  }
+
+  set [x ??= 1](v) {
+    return 2;
+  }
+
+  static get [x ??= 1]() {
+    return 2;
+  }
+
+  static set [x ??= 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ??= 1],
+  2
+);
+assert.sameValue(
+  c[x ??= 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x ??= 1],
+  2
+);
+assert.sameValue(
+  C[x ??= 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x ??= 1)],
+  2
+);
+assert.sameValue(
+  c[String(x ??= 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x ??= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ??= 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-and.js
new file mode 100644
index 0000000000..4ed3d8ada7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-and.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from assignment expression logical and (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x &&= 1]() {
+    return 2;
+  }
+
+  set [x &&= 1](v) {
+    return 2;
+  }
+
+  static get [x &&= 1]() {
+    return 2;
+  }
+
+  static set [x &&= 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x &&= 1],
+  2
+);
+assert.sameValue(
+  c[x &&= 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x &&= 1],
+  2
+);
+assert.sameValue(
+  C[x &&= 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x &&= 1)],
+  2
+);
+assert.sameValue(
+  c[String(x &&= 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x &&= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x &&= 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-or.js
new file mode 100644
index 0000000000..f6735ff285
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-assignment-expression-logical-or.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from assignment expression logical or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x ||= 1]() {
+    return 2;
+  }
+
+  set [x ||= 1](v) {
+    return 2;
+  }
+
+  static get [x ||= 1]() {
+    return 2;
+  }
+
+  static set [x ||= 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ||= 1],
+  2
+);
+assert.sameValue(
+  c[x ||= 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x ||= 1],
+  2
+);
+assert.sameValue(
+  C[x ||= 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x ||= 1)],
+  2
+);
+assert.sameValue(
+  c[String(x ||= 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x ||= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ||= 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-async-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-async-arrow-function-expression.js
new file mode 100644
index 0000000000..188e1bad9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-async-arrow-function-expression.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-async-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [async () => {}]() {
+    return 1;
+  }
+
+  set [async () => {}](v) {
+    return 1;
+  }
+
+  static get [async () => {}]() {
+    return 1;
+  }
+
+  static set [async () => {}](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[async () => {}],
+  1
+);
+assert.sameValue(
+  c[async () => {}] = 1,
+  1
+);
+
+assert.sameValue(
+  C[async () => {}],
+  1
+);
+assert.sameValue(
+  C[async () => {}] = 1,
+  1
+);
+assert.sameValue(
+  c[String(async () => {})],
+  1
+);
+assert.sameValue(
+  c[String(async () => {})] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(async () => {})],
+  1
+);
+assert.sameValue(
+  C[String(async () => {})] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-await-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-await-expression.js
new file mode 100644
index 0000000000..f6ae5c0905
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-await-expression.js
@@ -0,0 +1,98 @@
+// |reftest| module async
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-await-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, top-level-await]
+flags: [generated, async, module]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+try {
+
+
+class C {
+  get [await 9]() {
+    return 9;
+  }
+
+  set [await 9](v) {
+    return 9;
+  }
+
+  static get [await 9]() {
+    return 9;
+  }
+
+  static set [await 9](v) {
+    return 9;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[await 9],
+  9
+);
+assert.sameValue(
+  c[await 9] = 9,
+  9
+);
+
+assert.sameValue(
+  C[await 9],
+  9
+);
+assert.sameValue(
+  C[await 9] = 9,
+  9
+);
+assert.sameValue(
+  c[String(await 9)],
+  9
+);
+assert.sameValue(
+  c[String(await 9)] = 9,
+  9
+);
+
+assert.sameValue(
+  C[String(await 9)],
+  9
+);
+assert.sameValue(
+  C[String(await 9)] = 9,
+  9
+);
+
+} catch (e) {
+  $DONE(e);
+}
+$DONE();
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-false.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-false.js
new file mode 100644
index 0000000000..0e4a243c48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-false.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-false.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [false ? 1 : 2]() {
+    return 1;
+  }
+
+  set [false ? 1 : 2](v) {
+    return 1;
+  }
+
+  static get [false ? 1 : 2]() {
+    return 1;
+  }
+
+  static set [false ? 1 : 2](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[false ? 1 : 2],
+  1
+);
+assert.sameValue(
+  c[false ? 1 : 2] = 1,
+  1
+);
+
+assert.sameValue(
+  C[false ? 1 : 2],
+  1
+);
+assert.sameValue(
+  C[false ? 1 : 2] = 1,
+  1
+);
+assert.sameValue(
+  c[String(false ? 1 : 2)],
+  1
+);
+assert.sameValue(
+  c[String(false ? 1 : 2)] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(false ? 1 : 2)],
+  1
+);
+assert.sameValue(
+  C[String(false ? 1 : 2)] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-true.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-true.js
new file mode 100644
index 0000000000..95837e2f4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-condition-expression-true.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-true.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [true ? 1 : 2]() {
+    return 2;
+  }
+
+  set [true ? 1 : 2](v) {
+    return 2;
+  }
+
+  static get [true ? 1 : 2]() {
+    return 2;
+  }
+
+  static set [true ? 1 : 2](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[true ? 1 : 2],
+  2
+);
+assert.sameValue(
+  c[true ? 1 : 2] = 2,
+  2
+);
+
+assert.sameValue(
+  C[true ? 1 : 2],
+  2
+);
+assert.sameValue(
+  C[true ? 1 : 2] = 2,
+  2
+);
+assert.sameValue(
+  c[String(true ? 1 : 2)],
+  2
+);
+assert.sameValue(
+  c[String(true ? 1 : 2)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(true ? 1 : 2)],
+  2
+);
+assert.sameValue(
+  C[String(true ? 1 : 2)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-e-notational-literal.js
new file mode 100644
index 0000000000..775ad6ec7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-e-notational-literal.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from decimal e notational literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1.e1]() {
+    return 2;
+  }
+
+  set [1.e1](v) {
+    return 2;
+  }
+
+  static get [1.e1]() {
+    return 2;
+  }
+
+  static set [1.e1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.e1],
+  2
+);
+assert.sameValue(
+  c[1.e1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[1.e1],
+  2
+);
+assert.sameValue(
+  C[1.e1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(1.e1)],
+  2
+);
+assert.sameValue(
+  c[String(1.e1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(1.e1)],
+  2
+);
+assert.sameValue(
+  C[String(1.e1)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-literal.js
new file mode 100644
index 0000000000..94171ec027
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-decimal-literal.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-literal.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from decimal literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1.1]() {
+    return 2;
+  }
+
+  set [1.1](v) {
+    return 2;
+  }
+
+  static get [1.1]() {
+    return 2;
+  }
+
+  static set [1.1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.1],
+  2
+);
+assert.sameValue(
+  c[1.1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[1.1],
+  2
+);
+assert.sameValue(
+  C[1.1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(1.1)],
+  2
+);
+assert.sameValue(
+  c[String(1.1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(1.1)],
+  2
+);
+assert.sameValue(
+  C[String(1.1)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-exponetiation-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-exponetiation-expression.js
new file mode 100644
index 0000000000..a90ad74977
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-exponetiation-expression.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-exponetiation-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from exponentiation expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [2 ** 2]() {
+    return 4;
+  }
+
+  set [2 ** 2](v) {
+    return 4;
+  }
+
+  static get [2 ** 2]() {
+    return 4;
+  }
+
+  static set [2 ** 2](v) {
+    return 4;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[2 ** 2],
+  4
+);
+assert.sameValue(
+  c[2 ** 2] = 4,
+  4
+);
+
+assert.sameValue(
+  C[2 ** 2],
+  4
+);
+assert.sameValue(
+  C[2 ** 2] = 4,
+  4
+);
+assert.sameValue(
+  c[String(2 ** 2)],
+  4
+);
+assert.sameValue(
+  c[String(2 ** 2)] = 4,
+  4
+);
+
+assert.sameValue(
+  C[String(2 ** 2)],
+  4
+);
+assert.sameValue(
+  C[String(2 ** 2)] = 4,
+  4
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-coalesce.js
new file mode 100644
index 0000000000..3df04c728b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-coalesce.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from coalesce (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x;
+
+
+class C {
+  get [x ?? 1]() {
+    return 2;
+  }
+
+  set [x ?? 1](v) {
+    return 2;
+  }
+
+  static get [x ?? 1]() {
+    return 2;
+  }
+
+  static set [x ?? 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ?? 1],
+  2
+);
+assert.sameValue(
+  c[x ?? 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x ?? 1],
+  2
+);
+assert.sameValue(
+  C[x ?? 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x ?? 1)],
+  2
+);
+assert.sameValue(
+  c[String(x ?? 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x ?? 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ?? 1)] = 2,
+  2
+);
+
+assert.sameValue(x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-and.js
new file mode 100644
index 0000000000..24a267a167
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-and.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from logical and (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x && 1]() {
+    return 2;
+  }
+
+  set [x && 1](v) {
+    return 2;
+  }
+
+  static get [x && 1]() {
+    return 2;
+  }
+
+  static set [x && 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x && 1],
+  2
+);
+assert.sameValue(
+  c[x && 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x && 1],
+  2
+);
+assert.sameValue(
+  C[x && 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x && 1)],
+  2
+);
+assert.sameValue(
+  c[String(x && 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x && 1)],
+  2
+);
+assert.sameValue(
+  C[String(x && 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-or.js
new file mode 100644
index 0000000000..98866bc591
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-expression-logical-or.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from logical or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  get [x || 1]() {
+    return 2;
+  }
+
+  set [x || 1](v) {
+    return 2;
+  }
+
+  static get [x || 1]() {
+    return 2;
+  }
+
+  static set [x || 1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x || 1],
+  2
+);
+assert.sameValue(
+  c[x || 1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[x || 1],
+  2
+);
+assert.sameValue(
+  C[x || 1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(x || 1)],
+  2
+);
+assert.sameValue(
+  c[String(x || 1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(x || 1)],
+  2
+);
+assert.sameValue(
+  C[String(x || 1)] = 2,
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-declaration.js
new file mode 100644
index 0000000000..e97802248c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-declaration.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function f() {}
+
+
+class C {
+  get [f()]() {
+    return 1;
+  }
+
+  set [f()](v) {
+    return 1;
+  }
+
+  static get [f()]() {
+    return 1;
+  }
+
+  static set [f()](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[f()],
+  1
+);
+assert.sameValue(
+  c[f()] = 1,
+  1
+);
+
+assert.sameValue(
+  C[f()],
+  1
+);
+assert.sameValue(
+  C[f()] = 1,
+  1
+);
+assert.sameValue(
+  c[String(f())],
+  1
+);
+assert.sameValue(
+  c[String(f())] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(f())],
+  1
+);
+assert.sameValue(
+  C[String(f())] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-expression.js
new file mode 100644
index 0000000000..0d63210a14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-function-expression.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [function () {}]() {
+    return 1;
+  }
+
+  set [function () {}](v) {
+    return 1;
+  }
+
+  static get [function () {}]() {
+    return 1;
+  }
+
+  static set [function () {}](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[function () {}],
+  1
+);
+assert.sameValue(
+  c[function () {}] = 1,
+  1
+);
+
+assert.sameValue(
+  C[function () {}],
+  1
+);
+assert.sameValue(
+  C[function () {}] = 1,
+  1
+);
+assert.sameValue(
+  c[String(function () {})],
+  1
+);
+assert.sameValue(
+  c[String(function () {})] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(function () {})],
+  1
+);
+assert.sameValue(
+  C[String(function () {})] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-generator-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-generator-function-declaration.js
new file mode 100644
index 0000000000..4cbe0999b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-generator-function-declaration.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-generator-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from generator function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() { return 1; }
+
+
+class C {
+  get [g()]() {
+    return 1;
+  }
+
+  set [g()](v) {
+    return 1;
+  }
+
+  static get [g()]() {
+    return 1;
+  }
+
+  static set [g()](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[g()],
+  1
+);
+assert.sameValue(
+  c[g()] = 1,
+  1
+);
+
+assert.sameValue(
+  C[g()],
+  1
+);
+assert.sameValue(
+  C[g()] = 1,
+  1
+);
+assert.sameValue(
+  c[String(g())],
+  1
+);
+assert.sameValue(
+  c[String(g())] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(g())],
+  1
+);
+assert.sameValue(
+  C[String(g())] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-identifier.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-identifier.js
new file mode 100644
index 0000000000..147cb9176f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-identifier.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-identifier.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 1;
+
+
+
+class C {
+  get [x]() {
+    return '2';
+  }
+
+  set [x](v) {
+    return '2';
+  }
+
+  static get [x]() {
+    return '2';
+  }
+
+  static set [x](v) {
+    return '2';
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x],
+  '2'
+);
+assert.sameValue(
+  c[x] = '2',
+  '2'
+);
+
+assert.sameValue(
+  C[x],
+  '2'
+);
+assert.sameValue(
+  C[x] = '2',
+  '2'
+);
+assert.sameValue(
+  c[String(x)],
+  '2'
+);
+assert.sameValue(
+  c[String(x)] = '2',
+  '2'
+);
+
+assert.sameValue(
+  C[String(x)],
+  '2'
+);
+assert.sameValue(
+  C[String(x)] = '2',
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-e-notational-literal.js
new file mode 100644
index 0000000000..bedc60dc61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-e-notational-literal.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1]() {
+    return 2;
+  }
+
+  set [1](v) {
+    return 2;
+  }
+
+  static get [1]() {
+    return 2;
+  }
+
+  static set [1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1],
+  2
+);
+assert.sameValue(
+  c[1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[1],
+  2
+);
+assert.sameValue(
+  C[1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(1)],
+  2
+);
+assert.sameValue(
+  c[String(1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(1)],
+  2
+);
+assert.sameValue(
+  C[String(1)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-separators.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-separators.js
new file mode 100644
index 0000000000..22d12be97c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-integer-separators.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-separators.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from integer with separators (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1_2_3_4_5_6_7_8]() {
+    return 1_2_3_4_5_6_7_8;
+  }
+
+  set [1_2_3_4_5_6_7_8](v) {
+    return 1_2_3_4_5_6_7_8;
+  }
+
+  static get [1_2_3_4_5_6_7_8]() {
+    return 1_2_3_4_5_6_7_8;
+  }
+
+  static set [1_2_3_4_5_6_7_8](v) {
+    return 1_2_3_4_5_6_7_8;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1_2_3_4_5_6_7_8],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[1_2_3_4_5_6_7_8] = 1_2_3_4_5_6_7_8,
+  1_2_3_4_5_6_7_8
+);
+
+assert.sameValue(
+  C[1_2_3_4_5_6_7_8],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[1_2_3_4_5_6_7_8] = 1_2_3_4_5_6_7_8,
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[String(1_2_3_4_5_6_7_8)],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[String(1_2_3_4_5_6_7_8)] = 1_2_3_4_5_6_7_8,
+  1_2_3_4_5_6_7_8
+);
+
+assert.sameValue(
+  C[String(1_2_3_4_5_6_7_8)],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[String(1_2_3_4_5_6_7_8)] = 1_2_3_4_5_6_7_8,
+  1_2_3_4_5_6_7_8
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-math.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-math.js
new file mode 100644
index 0000000000..aae0475f47
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-math.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-math.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from math (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1 + 2 - 3 * 4 / 5 ** 6]() {
+    return 2.999232;
+  }
+
+  set [1 + 2 - 3 * 4 / 5 ** 6](v) {
+    return 2.999232;
+  }
+
+  static get [1 + 2 - 3 * 4 / 5 ** 6]() {
+    return 2.999232;
+  }
+
+  static set [1 + 2 - 3 * 4 / 5 ** 6](v) {
+    return 2.999232;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 2 - 3 * 4 / 5 ** 6],
+  2.999232
+);
+assert.sameValue(
+  c[1 + 2 - 3 * 4 / 5 ** 6] = 2.999232,
+  2.999232
+);
+
+assert.sameValue(
+  C[1 + 2 - 3 * 4 / 5 ** 6],
+  2.999232
+);
+assert.sameValue(
+  C[1 + 2 - 3 * 4 / 5 ** 6] = 2.999232,
+  2.999232
+);
+assert.sameValue(
+  c[String(1 + 2 - 3 * 4 / 5 ** 6)],
+  2.999232
+);
+assert.sameValue(
+  c[String(1 + 2 - 3 * 4 / 5 ** 6)] = 2.999232,
+  2.999232
+);
+
+assert.sameValue(
+  C[String(1 + 2 - 3 * 4 / 5 ** 6)],
+  2.999232
+);
+assert.sameValue(
+  C[String(1 + 2 - 3 * 4 / 5 ** 6)] = 2.999232,
+  2.999232
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-div.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-div.js
new file mode 100644
index 0000000000..9d5acec131
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-div.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-div.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from multiplicative expression "divide" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1 / 1]() {
+    return 1;
+  }
+
+  set [1 / 1](v) {
+    return 1;
+  }
+
+  static get [1 / 1]() {
+    return 1;
+  }
+
+  static set [1 / 1](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 / 1],
+  1
+);
+assert.sameValue(
+  c[1 / 1] = 1,
+  1
+);
+
+assert.sameValue(
+  C[1 / 1],
+  1
+);
+assert.sameValue(
+  C[1 / 1] = 1,
+  1
+);
+assert.sameValue(
+  c[String(1 / 1)],
+  1
+);
+assert.sameValue(
+  c[String(1 / 1)] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(1 / 1)],
+  1
+);
+assert.sameValue(
+  C[String(1 / 1)] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-mult.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-mult.js
new file mode 100644
index 0000000000..174dd1cd91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-multiplicative-expression-mult.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-mult.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from multiplicative expression "multiply" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1 * 1]() {
+    return 1;
+  }
+
+  set [1 * 1](v) {
+    return 1;
+  }
+
+  static get [1 * 1]() {
+    return 1;
+  }
+
+  static set [1 * 1](v) {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 * 1],
+  1
+);
+assert.sameValue(
+  c[1 * 1] = 1,
+  1
+);
+
+assert.sameValue(
+  C[1 * 1],
+  1
+);
+assert.sameValue(
+  C[1 * 1] = 1,
+  1
+);
+assert.sameValue(
+  c[String(1 * 1)],
+  1
+);
+assert.sameValue(
+  c[String(1 * 1)] = 1,
+  1
+);
+
+assert.sameValue(
+  C[String(1 * 1)],
+  1
+);
+assert.sameValue(
+  C[String(1 * 1)] = 1,
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-null.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-null.js
new file mode 100644
index 0000000000..9c2ff4f83e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-null.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-null.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [null]() {
+    return null;
+  }
+
+  set [null](v) {
+    return null;
+  }
+
+  static get [null]() {
+    return null;
+  }
+
+  static set [null](v) {
+    return null;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[null],
+  null
+);
+assert.sameValue(
+  c[null] = null,
+  null
+);
+
+assert.sameValue(
+  C[null],
+  null
+);
+assert.sameValue(
+  C[null] = null,
+  null
+);
+assert.sameValue(
+  c[String(null)],
+  null
+);
+assert.sameValue(
+  c[String(null)] = null,
+  null
+);
+
+assert.sameValue(
+  C[String(null)],
+  null
+);
+assert.sameValue(
+  C[String(null)] = null,
+  null
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-numeric-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-numeric-literal.js
new file mode 100644
index 0000000000..60255b701f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-numeric-literal.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-numeric-literal.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get [1]() {
+    return 2;
+  }
+
+  set [1](v) {
+    return 2;
+  }
+
+  static get [1]() {
+    return 2;
+  }
+
+  static set [1](v) {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1],
+  2
+);
+assert.sameValue(
+  c[1] = 2,
+  2
+);
+
+assert.sameValue(
+  C[1],
+  2
+);
+assert.sameValue(
+  C[1] = 2,
+  2
+);
+assert.sameValue(
+  c[String(1)],
+  2
+);
+assert.sameValue(
+  c[String(1)] = 2,
+  2
+);
+
+assert.sameValue(
+  C[String(1)],
+  2
+);
+assert.sameValue(
+  C[String(1)] = 2,
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-string-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-string-literal.js
new file mode 100644
index 0000000000..f12c05f7dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-string-literal.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-string-literal.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  get ['1']() {
+    return '2';
+  }
+
+  set ['1'](v) {
+    return '2';
+  }
+
+  static get ['1']() {
+    return '2';
+  }
+
+  static set ['1'](v) {
+    return '2';
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c['1'],
+  '2'
+);
+assert.sameValue(
+  c['1'] = '2',
+  '2'
+);
+
+assert.sameValue(
+  C['1'],
+  '2'
+);
+assert.sameValue(
+  C['1'] = '2',
+  '2'
+);
+assert.sameValue(
+  c[String('1')],
+  '2'
+);
+assert.sameValue(
+  c[String('1')] = '2',
+  '2'
+);
+
+assert.sameValue(
+  C[String('1')],
+  '2'
+);
+assert.sameValue(
+  C[String('1')] = '2',
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-yield-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-yield-expression.js
new file mode 100644
index 0000000000..c3b76eb7c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-accessors-computed-property-name-from-yield-expression.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-yield-expression.case
+// - src/computed-property-names/evaluation/class-declaration-accessors.template
+/*---
+description: Computed property name from yield expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() {
+
+
+class C {
+  get [yield 9]() {
+    return 9;
+  }
+
+  set [yield 9](v) {
+    return 9;
+  }
+
+  static get [yield 9]() {
+    return 9;
+  }
+
+  static set [yield 9](v) {
+    return 9;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[yield 9],
+  9
+);
+assert.sameValue(
+  c[yield 9] = 9,
+  9
+);
+
+assert.sameValue(
+  C[yield 9],
+  9
+);
+assert.sameValue(
+  C[yield 9] = 9,
+  9
+);
+assert.sameValue(
+  c[String(yield 9)],
+  9
+);
+assert.sameValue(
+  c[String(yield 9)] = 9,
+  9
+);
+
+assert.sameValue(
+  C[String(yield 9)],
+  9
+);
+assert.sameValue(
+  C[String(yield 9)] = 9,
+  9
+);
+
+}
+var iter = g();
+while (iter.next().done === false) ;
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-add.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-add.js
new file mode 100644
index 0000000000..57a374324e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-add.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-add.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from additive expression "add" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1 + 1]() {
+    return 2;
+  }
+  static [1 + 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 1](),
+  2
+);
+assert.sameValue(
+  C[1 + 1](),
+  2
+);
+assert.sameValue(
+  c[String(1 + 1)](),
+  2
+);
+assert.sameValue(
+  C[String(1 + 1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-subtract.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-subtract.js
new file mode 100644
index 0000000000..ec491a4fd8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-additive-expression-subtract.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-subtract.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from additive expression "subtract" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1 - 1]() {
+    return 0;
+  }
+  static [1 - 1]() {
+    return 0;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 - 1](),
+  0
+);
+assert.sameValue(
+  C[1 - 1](),
+  0
+);
+assert.sameValue(
+  c[String(1 - 1)](),
+  0
+);
+assert.sameValue(
+  C[String(1 - 1)](),
+  0
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-arrow-function-expression.js
new file mode 100644
index 0000000000..e583c3d74b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-arrow-function-expression.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from arrow function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [() => { }]() {
+    return 1;
+  }
+  static [() => { }]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[() => { }](),
+  1
+);
+assert.sameValue(
+  C[() => { }](),
+  1
+);
+assert.sameValue(
+  c[String(() => { })](),
+  1
+);
+assert.sameValue(
+  C[String(() => { })](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-assignment.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-assignment.js
new file mode 100644
index 0000000000..85bc1dfd24
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-assignment.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-assignment.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from assignment expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x = 1]() {
+    return 2;
+  }
+  static [x = 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x = 1](),
+  2
+);
+assert.sameValue(
+  C[x = 1](),
+  2
+);
+assert.sameValue(
+  c[String(x = 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x = 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-bitwise-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-bitwise-or.js
new file mode 100644
index 0000000000..b5f4a9aeca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-bitwise-or.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-bitwise-or.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from assignment expression bitwise or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x |= 1]() {
+    return 2;
+  }
+  static [x |= 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x |= 1](),
+  2
+);
+assert.sameValue(
+  C[x |= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x |= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x |= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-coalesce.js
new file mode 100644
index 0000000000..07ef956289
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-coalesce.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from assignment expression coalesce (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = null;
+
+
+class C {
+  [x ??= 1]() {
+    return 2;
+  }
+  static [x ??= 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ??= 1](),
+  2
+);
+assert.sameValue(
+  C[x ??= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ??= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ??= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-and.js
new file mode 100644
index 0000000000..a3e1d17fb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-and.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from assignment expression logical and (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x &&= 1]() {
+    return 2;
+  }
+  static [x &&= 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x &&= 1](),
+  2
+);
+assert.sameValue(
+  C[x &&= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x &&= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x &&= 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-or.js
new file mode 100644
index 0000000000..86ad101180
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-assignment-expression-logical-or.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from assignment expression logical or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x ||= 1]() {
+    return 2;
+  }
+  static [x ||= 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ||= 1](),
+  2
+);
+assert.sameValue(
+  C[x ||= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ||= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ||= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-async-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-async-arrow-function-expression.js
new file mode 100644
index 0000000000..0579c324dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-async-arrow-function-expression.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-async-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [async () => {}]() {
+    return 1;
+  }
+  static [async () => {}]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[async () => {}](),
+  1
+);
+assert.sameValue(
+  C[async () => {}](),
+  1
+);
+assert.sameValue(
+  c[String(async () => {})](),
+  1
+);
+assert.sameValue(
+  C[String(async () => {})](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-await-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-await-expression.js
new file mode 100644
index 0000000000..a38011aa2e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-await-expression.js
@@ -0,0 +1,71 @@
+// |reftest| module async
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-await-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, top-level-await]
+flags: [generated, async, module]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+try {
+
+
+class C {
+  [await 9]() {
+    return 9;
+  }
+  static [await 9]() {
+    return 9;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[await 9](),
+  9
+);
+assert.sameValue(
+  C[await 9](),
+  9
+);
+assert.sameValue(
+  c[String(await 9)](),
+  9
+);
+assert.sameValue(
+  C[String(await 9)](),
+  9
+);
+
+} catch (e) {
+  $DONE(e);
+}
+$DONE();
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-false.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-false.js
new file mode 100644
index 0000000000..f4715db2c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-false.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-false.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [false ? 1 : 2]() {
+    return 1;
+  }
+  static [false ? 1 : 2]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[false ? 1 : 2](),
+  1
+);
+assert.sameValue(
+  C[false ? 1 : 2](),
+  1
+);
+assert.sameValue(
+  c[String(false ? 1 : 2)](),
+  1
+);
+assert.sameValue(
+  C[String(false ? 1 : 2)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-true.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-true.js
new file mode 100644
index 0000000000..889e80a7a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-condition-expression-true.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-true.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [true ? 1 : 2]() {
+    return 2;
+  }
+  static [true ? 1 : 2]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[true ? 1 : 2](),
+  2
+);
+assert.sameValue(
+  C[true ? 1 : 2](),
+  2
+);
+assert.sameValue(
+  c[String(true ? 1 : 2)](),
+  2
+);
+assert.sameValue(
+  C[String(true ? 1 : 2)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-e-notational-literal.js
new file mode 100644
index 0000000000..fcfcad1e75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-e-notational-literal.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from decimal e notational literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1.e1]() {
+    return 2;
+  }
+  static [1.e1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.e1](),
+  2
+);
+assert.sameValue(
+  C[1.e1](),
+  2
+);
+assert.sameValue(
+  c[String(1.e1)](),
+  2
+);
+assert.sameValue(
+  C[String(1.e1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-literal.js
new file mode 100644
index 0000000000..554345d4f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-decimal-literal.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-literal.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from decimal literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1.1]() {
+    return 2;
+  }
+  static [1.1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.1](),
+  2
+);
+assert.sameValue(
+  C[1.1](),
+  2
+);
+assert.sameValue(
+  c[String(1.1)](),
+  2
+);
+assert.sameValue(
+  C[String(1.1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-exponetiation-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-exponetiation-expression.js
new file mode 100644
index 0000000000..ac090d918c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-exponetiation-expression.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-exponetiation-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from exponentiation expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [2 ** 2]() {
+    return 4;
+  }
+  static [2 ** 2]() {
+    return 4;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[2 ** 2](),
+  4
+);
+assert.sameValue(
+  C[2 ** 2](),
+  4
+);
+assert.sameValue(
+  c[String(2 ** 2)](),
+  4
+);
+assert.sameValue(
+  C[String(2 ** 2)](),
+  4
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-coalesce.js
new file mode 100644
index 0000000000..ac6cafbecb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-coalesce.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from coalesce (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x;
+
+
+class C {
+  [x ?? 1]() {
+    return 2;
+  }
+  static [x ?? 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ?? 1](),
+  2
+);
+assert.sameValue(
+  C[x ?? 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ?? 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ?? 1)](),
+  2
+);
+
+assert.sameValue(x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-and.js
new file mode 100644
index 0000000000..f66cf31eef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-and.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from logical and (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x && 1]() {
+    return 2;
+  }
+  static [x && 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x && 1](),
+  2
+);
+assert.sameValue(
+  C[x && 1](),
+  2
+);
+assert.sameValue(
+  c[String(x && 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x && 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-or.js
new file mode 100644
index 0000000000..a25598f806
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-expression-logical-or.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from logical or (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+class C {
+  [x || 1]() {
+    return 2;
+  }
+  static [x || 1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x || 1](),
+  2
+);
+assert.sameValue(
+  C[x || 1](),
+  2
+);
+assert.sameValue(
+  c[String(x || 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x || 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-declaration.js
new file mode 100644
index 0000000000..fb7d91ad3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-declaration.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function f() {}
+
+
+class C {
+  [f()]() {
+    return 1;
+  }
+  static [f()]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[f()](),
+  1
+);
+assert.sameValue(
+  C[f()](),
+  1
+);
+assert.sameValue(
+  c[String(f())](),
+  1
+);
+assert.sameValue(
+  C[String(f())](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-expression.js
new file mode 100644
index 0000000000..96da957346
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-function-expression.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [function () {}]() {
+    return 1;
+  }
+  static [function () {}]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[function () {}](),
+  1
+);
+assert.sameValue(
+  C[function () {}](),
+  1
+);
+assert.sameValue(
+  c[String(function () {})](),
+  1
+);
+assert.sameValue(
+  C[String(function () {})](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-generator-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-generator-function-declaration.js
new file mode 100644
index 0000000000..977e2b510e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-generator-function-declaration.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-generator-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from generator function (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() { return 1; }
+
+
+class C {
+  [g()]() {
+    return 1;
+  }
+  static [g()]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[g()](),
+  1
+);
+assert.sameValue(
+  C[g()](),
+  1
+);
+assert.sameValue(
+  c[String(g())](),
+  1
+);
+assert.sameValue(
+  C[String(g())](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-identifier.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-identifier.js
new file mode 100644
index 0000000000..a10cb61e94
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-identifier.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-identifier.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 1;
+
+
+
+class C {
+  [x]() {
+    return '2';
+  }
+  static [x]() {
+    return '2';
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x](),
+  '2'
+);
+assert.sameValue(
+  C[x](),
+  '2'
+);
+assert.sameValue(
+  c[String(x)](),
+  '2'
+);
+assert.sameValue(
+  C[String(x)](),
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-e-notational-literal.js
new file mode 100644
index 0000000000..452d9c3a11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-e-notational-literal.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1]() {
+    return 2;
+  }
+  static [1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1](),
+  2
+);
+assert.sameValue(
+  C[1](),
+  2
+);
+assert.sameValue(
+  c[String(1)](),
+  2
+);
+assert.sameValue(
+  C[String(1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-separators.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-separators.js
new file mode 100644
index 0000000000..44aa87db00
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-integer-separators.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-separators.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from integer with separators (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1_2_3_4_5_6_7_8]() {
+    return 1_2_3_4_5_6_7_8;
+  }
+  static [1_2_3_4_5_6_7_8]() {
+    return 1_2_3_4_5_6_7_8;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1_2_3_4_5_6_7_8](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[1_2_3_4_5_6_7_8](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[String(1_2_3_4_5_6_7_8)](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[String(1_2_3_4_5_6_7_8)](),
+  1_2_3_4_5_6_7_8
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-math.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-math.js
new file mode 100644
index 0000000000..e146251c4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-math.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-math.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from math (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1 + 2 - 3 * 4 / 5 ** 6]() {
+    return 2.999232;
+  }
+  static [1 + 2 - 3 * 4 / 5 ** 6]() {
+    return 2.999232;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 2 - 3 * 4 / 5 ** 6](),
+  2.999232
+);
+assert.sameValue(
+  C[1 + 2 - 3 * 4 / 5 ** 6](),
+  2.999232
+);
+assert.sameValue(
+  c[String(1 + 2 - 3 * 4 / 5 ** 6)](),
+  2.999232
+);
+assert.sameValue(
+  C[String(1 + 2 - 3 * 4 / 5 ** 6)](),
+  2.999232
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-div.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-div.js
new file mode 100644
index 0000000000..0d26171ee7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-div.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-div.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from multiplicative expression "divide" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1 / 1]() {
+    return 1;
+  }
+  static [1 / 1]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 / 1](),
+  1
+);
+assert.sameValue(
+  C[1 / 1](),
+  1
+);
+assert.sameValue(
+  c[String(1 / 1)](),
+  1
+);
+assert.sameValue(
+  C[String(1 / 1)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-mult.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-mult.js
new file mode 100644
index 0000000000..f95ec64b93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-multiplicative-expression-mult.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-mult.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from multiplicative expression "multiply" (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1 * 1]() {
+    return 1;
+  }
+  static [1 * 1]() {
+    return 1;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 * 1](),
+  1
+);
+assert.sameValue(
+  C[1 * 1](),
+  1
+);
+assert.sameValue(
+  c[String(1 * 1)](),
+  1
+);
+assert.sameValue(
+  C[String(1 * 1)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-null.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-null.js
new file mode 100644
index 0000000000..ea49134f50
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-null.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-null.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [null]() {
+    return null;
+  }
+  static [null]() {
+    return null;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[null](),
+  null
+);
+assert.sameValue(
+  C[null](),
+  null
+);
+assert.sameValue(
+  c[String(null)](),
+  null
+);
+assert.sameValue(
+  C[String(null)](),
+  null
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-numeric-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-numeric-literal.js
new file mode 100644
index 0000000000..cda6602bc7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-numeric-literal.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-numeric-literal.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  [1]() {
+    return 2;
+  }
+  static [1]() {
+    return 2;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1](),
+  2
+);
+assert.sameValue(
+  C[1](),
+  2
+);
+assert.sameValue(
+  c[String(1)](),
+  2
+);
+assert.sameValue(
+  C[String(1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-string-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-string-literal.js
new file mode 100644
index 0000000000..09c7f5ce57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-string-literal.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-string-literal.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+class C {
+  ['1']() {
+    return '2';
+  }
+  static ['1']() {
+    return '2';
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c['1'](),
+  '2'
+);
+assert.sameValue(
+  C['1'](),
+  '2'
+);
+assert.sameValue(
+  c[String('1')](),
+  '2'
+);
+assert.sameValue(
+  C[String('1')](),
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-yield-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-yield-expression.js
new file mode 100644
index 0000000000..3ad6aa530a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-computed-property-name-from-yield-expression.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-yield-expression.case
+// - src/computed-property-names/evaluation/class-declaration.template
+/*---
+description: Computed property name from yield expression (ComputedPropertyName in ClassDeclaration)
+esid: prod-ComputedPropertyName
+features: [computed-property-names]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() {
+
+
+class C {
+  [yield 9]() {
+    return 9;
+  }
+  static [yield 9]() {
+    return 9;
+  }
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[yield 9](),
+  9
+);
+assert.sameValue(
+  C[yield 9](),
+  9
+);
+assert.sameValue(
+  c[String(yield 9)](),
+  9
+);
+assert.sameValue(
+  C[String(yield 9)](),
+  9
+);
+
+}
+var iter = g();
+while (iter.next().done === false) ;
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-add.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-add.js
new file mode 100644
index 0000000000..ea6ffb3850
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-add.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-add.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from additive expression "add" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 + 1] = 2;
+
+  static [1 + 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 1],
+  2
+);
+assert.sameValue(
+  C[1 + 1],
+  2
+);
+assert.sameValue(
+  c[String(1 + 1)],
+  2
+);
+assert.sameValue(
+  C[String(1 + 1)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-subtract.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-subtract.js
new file mode 100644
index 0000000000..98eef5ec8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-additive-expression-subtract.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-subtract.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from additive expression "subtract" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 - 1] = 0;
+
+  static [1 - 1] = 0;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 - 1],
+  0
+);
+assert.sameValue(
+  C[1 - 1],
+  0
+);
+assert.sameValue(
+  c[String(1 - 1)],
+  0
+);
+assert.sameValue(
+  C[String(1 - 1)],
+  0
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-arrow-function-expression.js
new file mode 100644
index 0000000000..7a295dd4eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-arrow-function-expression.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from arrow function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [() => { }] = 1;
+
+  static [() => { }] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[() => { }],
+  1
+);
+assert.sameValue(
+  C[() => { }],
+  1
+);
+assert.sameValue(
+  c[String(() => { })],
+  1
+);
+assert.sameValue(
+  C[String(() => { })],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-assignment.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-assignment.js
new file mode 100644
index 0000000000..bb04fb5d34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-assignment.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-assignment.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from assignment expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x = 1] = 2;
+
+  static [x = 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x = 1],
+  2
+);
+assert.sameValue(
+  C[x = 1],
+  2
+);
+assert.sameValue(
+  c[String(x = 1)],
+  2
+);
+assert.sameValue(
+  C[String(x = 1)],
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-bitwise-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-bitwise-or.js
new file mode 100644
index 0000000000..736ca0d344
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-bitwise-or.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-bitwise-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from assignment expression bitwise or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x |= 1] = 2;
+
+  static [x |= 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x |= 1],
+  2
+);
+assert.sameValue(
+  C[x |= 1],
+  2
+);
+assert.sameValue(
+  c[String(x |= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x |= 1)],
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-coalesce.js
new file mode 100644
index 0000000000..1c726926e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-coalesce.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from assignment expression coalesce (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = null;
+
+
+let C = class {
+  [x ??= 1] = 2;
+
+  static [x ??= 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ??= 1],
+  2
+);
+assert.sameValue(
+  C[x ??= 1],
+  2
+);
+assert.sameValue(
+  c[String(x ??= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ??= 1)],
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-and.js
new file mode 100644
index 0000000000..692d88d7b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-and.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from assignment expression logical and (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x &&= 1] = 2;
+
+  static [x &&= 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x &&= 1],
+  2
+);
+assert.sameValue(
+  C[x &&= 1],
+  2
+);
+assert.sameValue(
+  c[String(x &&= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x &&= 1)],
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-or.js
new file mode 100644
index 0000000000..a92aa655b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-assignment-expression-logical-or.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from assignment expression logical or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x ||= 1] = 2;
+
+  static [x ||= 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ||= 1],
+  2
+);
+assert.sameValue(
+  C[x ||= 1],
+  2
+);
+assert.sameValue(
+  c[String(x ||= 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ||= 1)],
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-async-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-async-arrow-function-expression.js
new file mode 100644
index 0000000000..2b28a7eddd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-async-arrow-function-expression.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-async-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [async () => {}] = 1;
+
+  static [async () => {}] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[async () => {}],
+  1
+);
+assert.sameValue(
+  C[async () => {}],
+  1
+);
+assert.sameValue(
+  c[String(async () => {})],
+  1
+);
+assert.sameValue(
+  C[String(async () => {})],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-await-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-await-expression.js
new file mode 100644
index 0000000000..25ef78cae5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-await-expression.js
@@ -0,0 +1,68 @@
+// |reftest| module async
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-await-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, top-level-await, class-fields-public, class-static-fields-public]
+flags: [generated, async, module]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+try {
+
+
+let C = class {
+  [await 9] = 9;
+
+  static [await 9] = 9;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[await 9],
+  9
+);
+assert.sameValue(
+  C[await 9],
+  9
+);
+assert.sameValue(
+  c[String(await 9)],
+  9
+);
+assert.sameValue(
+  C[String(await 9)],
+  9
+);
+
+} catch (e) {
+  $DONE(e);
+}
+$DONE();
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-false.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-false.js
new file mode 100644
index 0000000000..e03c8b7f89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-false.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-false.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [false ? 1 : 2] = 1;
+
+  static [false ? 1 : 2] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[false ? 1 : 2],
+  1
+);
+assert.sameValue(
+  C[false ? 1 : 2],
+  1
+);
+assert.sameValue(
+  c[String(false ? 1 : 2)],
+  1
+);
+assert.sameValue(
+  C[String(false ? 1 : 2)],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-true.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-true.js
new file mode 100644
index 0000000000..ad0ab90036
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-condition-expression-true.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-true.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [true ? 1 : 2] = 2;
+
+  static [true ? 1 : 2] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[true ? 1 : 2],
+  2
+);
+assert.sameValue(
+  C[true ? 1 : 2],
+  2
+);
+assert.sameValue(
+  c[String(true ? 1 : 2)],
+  2
+);
+assert.sameValue(
+  C[String(true ? 1 : 2)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-e-notational-literal.js
new file mode 100644
index 0000000000..8c2c102ea3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-e-notational-literal.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from decimal e notational literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1.e1] = 2;
+
+  static [1.e1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.e1],
+  2
+);
+assert.sameValue(
+  C[1.e1],
+  2
+);
+assert.sameValue(
+  c[String(1.e1)],
+  2
+);
+assert.sameValue(
+  C[String(1.e1)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-literal.js
new file mode 100644
index 0000000000..661b7f5fd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-decimal-literal.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from decimal literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1.1] = 2;
+
+  static [1.1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.1],
+  2
+);
+assert.sameValue(
+  C[1.1],
+  2
+);
+assert.sameValue(
+  c[String(1.1)],
+  2
+);
+assert.sameValue(
+  C[String(1.1)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-exponetiation-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-exponetiation-expression.js
new file mode 100644
index 0000000000..3e8f3e6018
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-exponetiation-expression.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-exponetiation-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from exponentiation expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [2 ** 2] = 4;
+
+  static [2 ** 2] = 4;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[2 ** 2],
+  4
+);
+assert.sameValue(
+  C[2 ** 2],
+  4
+);
+assert.sameValue(
+  c[String(2 ** 2)],
+  4
+);
+assert.sameValue(
+  C[String(2 ** 2)],
+  4
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-coalesce.js
new file mode 100644
index 0000000000..e8fd6d9cac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-coalesce.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from coalesce (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x;
+
+
+let C = class {
+  [x ?? 1] = 2;
+
+  static [x ?? 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ?? 1],
+  2
+);
+assert.sameValue(
+  C[x ?? 1],
+  2
+);
+assert.sameValue(
+  c[String(x ?? 1)],
+  2
+);
+assert.sameValue(
+  C[String(x ?? 1)],
+  2
+);
+
+assert.sameValue(x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-and.js
new file mode 100644
index 0000000000..12d8b5a909
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-and.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from logical and (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x && 1] = 2;
+
+  static [x && 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x && 1],
+  2
+);
+assert.sameValue(
+  C[x && 1],
+  2
+);
+assert.sameValue(
+  c[String(x && 1)],
+  2
+);
+assert.sameValue(
+  C[String(x && 1)],
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-or.js
new file mode 100644
index 0000000000..8e8bfc82aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-expression-logical-or.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from logical or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x || 1] = 2;
+
+  static [x || 1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x || 1],
+  2
+);
+assert.sameValue(
+  C[x || 1],
+  2
+);
+assert.sameValue(
+  c[String(x || 1)],
+  2
+);
+assert.sameValue(
+  C[String(x || 1)],
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-declaration.js
new file mode 100644
index 0000000000..aeeb9adbc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-declaration.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function f() {}
+
+
+let C = class {
+  [f()] = 1;
+
+  static [f()] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[f()],
+  1
+);
+assert.sameValue(
+  C[f()],
+  1
+);
+assert.sameValue(
+  c[String(f())],
+  1
+);
+assert.sameValue(
+  C[String(f())],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-expression.js
new file mode 100644
index 0000000000..9eaea1afdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-function-expression.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [function () {}] = 1;
+
+  static [function () {}] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[function () {}],
+  1
+);
+assert.sameValue(
+  C[function () {}],
+  1
+);
+assert.sameValue(
+  c[String(function () {})],
+  1
+);
+assert.sameValue(
+  C[String(function () {})],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-generator-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-generator-function-declaration.js
new file mode 100644
index 0000000000..35ff6866b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-generator-function-declaration.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-generator-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from generator function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() { return 1; }
+
+
+let C = class {
+  [g()] = 1;
+
+  static [g()] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[g()],
+  1
+);
+assert.sameValue(
+  C[g()],
+  1
+);
+assert.sameValue(
+  c[String(g())],
+  1
+);
+assert.sameValue(
+  C[String(g())],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-identifier.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-identifier.js
new file mode 100644
index 0000000000..2d39292d1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-identifier.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-identifier.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 1;
+
+
+
+let C = class {
+  [x] = '2';
+
+  static [x] = '2';
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x],
+  '2'
+);
+assert.sameValue(
+  C[x],
+  '2'
+);
+assert.sameValue(
+  c[String(x)],
+  '2'
+);
+assert.sameValue(
+  C[String(x)],
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-e-notational-literal.js
new file mode 100644
index 0000000000..a8696e07cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-e-notational-literal.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1] = 2;
+
+  static [1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1],
+  2
+);
+assert.sameValue(
+  C[1],
+  2
+);
+assert.sameValue(
+  c[String(1)],
+  2
+);
+assert.sameValue(
+  C[String(1)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-separators.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-separators.js
new file mode 100644
index 0000000000..012230a62e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-integer-separators.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-separators.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from integer with separators (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1_2_3_4_5_6_7_8] = 1_2_3_4_5_6_7_8;
+
+  static [1_2_3_4_5_6_7_8] = 1_2_3_4_5_6_7_8;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1_2_3_4_5_6_7_8],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[1_2_3_4_5_6_7_8],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[String(1_2_3_4_5_6_7_8)],
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[String(1_2_3_4_5_6_7_8)],
+  1_2_3_4_5_6_7_8
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-math.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-math.js
new file mode 100644
index 0000000000..b506f576fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-math.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-math.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from math (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 + 2 - 3 * 4 / 5 ** 6] = 2.999232;
+
+  static [1 + 2 - 3 * 4 / 5 ** 6] = 2.999232;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 2 - 3 * 4 / 5 ** 6],
+  2.999232
+);
+assert.sameValue(
+  C[1 + 2 - 3 * 4 / 5 ** 6],
+  2.999232
+);
+assert.sameValue(
+  c[String(1 + 2 - 3 * 4 / 5 ** 6)],
+  2.999232
+);
+assert.sameValue(
+  C[String(1 + 2 - 3 * 4 / 5 ** 6)],
+  2.999232
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-div.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-div.js
new file mode 100644
index 0000000000..7a779fca7d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-div.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-div.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from multiplicative expression "divide" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 / 1] = 1;
+
+  static [1 / 1] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 / 1],
+  1
+);
+assert.sameValue(
+  C[1 / 1],
+  1
+);
+assert.sameValue(
+  c[String(1 / 1)],
+  1
+);
+assert.sameValue(
+  C[String(1 / 1)],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-mult.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-mult.js
new file mode 100644
index 0000000000..25ee51bee9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-multiplicative-expression-mult.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-mult.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from multiplicative expression "multiply" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 * 1] = 1;
+
+  static [1 * 1] = 1;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 * 1],
+  1
+);
+assert.sameValue(
+  C[1 * 1],
+  1
+);
+assert.sameValue(
+  c[String(1 * 1)],
+  1
+);
+assert.sameValue(
+  C[String(1 * 1)],
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-null.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-null.js
new file mode 100644
index 0000000000..50b533c9d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-null.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [null] = null;
+
+  static [null] = null;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[null],
+  null
+);
+assert.sameValue(
+  C[null],
+  null
+);
+assert.sameValue(
+  c[String(null)],
+  null
+);
+assert.sameValue(
+  C[String(null)],
+  null
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-numeric-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-numeric-literal.js
new file mode 100644
index 0000000000..2f66cd4384
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-numeric-literal.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-numeric-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1] = 2;
+
+  static [1] = 2;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1],
+  2
+);
+assert.sameValue(
+  C[1],
+  2
+);
+assert.sameValue(
+  c[String(1)],
+  2
+);
+assert.sameValue(
+  C[String(1)],
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-string-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-string-literal.js
new file mode 100644
index 0000000000..d3e613bed3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-string-literal.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-string-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  ['1'] = '2';
+
+  static ['1'] = '2';
+};
+
+let c = new C();
+
+assert.sameValue(
+  c['1'],
+  '2'
+);
+assert.sameValue(
+  C['1'],
+  '2'
+);
+assert.sameValue(
+  c[String('1')],
+  '2'
+);
+assert.sameValue(
+  C[String('1')],
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-yield-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-yield-expression.js
new file mode 100644
index 0000000000..b48c6f884c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-computed-property-name-from-yield-expression.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-yield-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields.template
+/*---
+description: Computed property name from yield expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() {
+
+
+let C = class {
+  [yield 9] = 9;
+
+  static [yield 9] = 9;
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[yield 9],
+  9
+);
+assert.sameValue(
+  C[yield 9],
+  9
+);
+assert.sameValue(
+  c[String(yield 9)],
+  9
+);
+assert.sameValue(
+  C[String(yield 9)],
+  9
+);
+
+}
+var iter = g();
+while (iter.next().done === false) ;
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-add.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-add.js
new file mode 100644
index 0000000000..71eec0118a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-add.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-add.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from additive expression "add" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 + 1] = () => {
+    return 2;
+  };
+
+  static [1 + 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 1](),
+  2
+);
+assert.sameValue(
+  C[1 + 1](),
+  2
+);
+assert.sameValue(
+  c[String(1 + 1)](),
+  2
+);
+assert.sameValue(
+  C[String(1 + 1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-subtract.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-subtract.js
new file mode 100644
index 0000000000..97dbdbf6e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-additive-expression-subtract.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-additive-expression-subtract.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from additive expression "subtract" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 - 1] = () => {
+    return 0;
+  };
+
+  static [1 - 1] = () => {
+    return 0;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 - 1](),
+  0
+);
+assert.sameValue(
+  C[1 - 1](),
+  0
+);
+assert.sameValue(
+  c[String(1 - 1)](),
+  0
+);
+assert.sameValue(
+  C[String(1 - 1)](),
+  0
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-arrow-function-expression.js
new file mode 100644
index 0000000000..c0c57223a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-arrow-function-expression.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from arrow function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [() => { }] = () => {
+    return 1;
+  };
+
+  static [() => { }] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[() => { }](),
+  1
+);
+assert.sameValue(
+  C[() => { }](),
+  1
+);
+assert.sameValue(
+  c[String(() => { })](),
+  1
+);
+assert.sameValue(
+  C[String(() => { })](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-assignment.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-assignment.js
new file mode 100644
index 0000000000..d5724dedda
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-assignment.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-assignment.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from assignment expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x = 1] = () => {
+    return 2;
+  };
+
+  static [x = 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x = 1](),
+  2
+);
+assert.sameValue(
+  C[x = 1](),
+  2
+);
+assert.sameValue(
+  c[String(x = 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x = 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-bitwise-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-bitwise-or.js
new file mode 100644
index 0000000000..0363c3513d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-bitwise-or.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-bitwise-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from assignment expression bitwise or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x |= 1] = () => {
+    return 2;
+  };
+
+  static [x |= 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x |= 1](),
+  2
+);
+assert.sameValue(
+  C[x |= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x |= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x |= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-coalesce.js
new file mode 100644
index 0000000000..3dee6a5629
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-coalesce.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from assignment expression coalesce (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = null;
+
+
+let C = class {
+  [x ??= 1] = () => {
+    return 2;
+  };
+
+  static [x ??= 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ??= 1](),
+  2
+);
+assert.sameValue(
+  C[x ??= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ??= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ??= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-and.js
new file mode 100644
index 0000000000..f2299078af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-and.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from assignment expression logical and (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x &&= 1] = () => {
+    return 2;
+  };
+
+  static [x &&= 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x &&= 1](),
+  2
+);
+assert.sameValue(
+  C[x &&= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x &&= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x &&= 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-or.js
new file mode 100644
index 0000000000..bad6dbd0aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-assignment-expression-logical-or.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-assignment-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from assignment expression logical or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, logical-assignment-operators, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x ||= 1] = () => {
+    return 2;
+  };
+
+  static [x ||= 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ||= 1](),
+  2
+);
+assert.sameValue(
+  C[x ||= 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ||= 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ||= 1)](),
+  2
+);
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-async-arrow-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-async-arrow-function-expression.js
new file mode 100644
index 0000000000..1205a426ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-async-arrow-function-expression.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-async-arrow-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [async () => {}] = () => {
+    return 1;
+  };
+
+  static [async () => {}] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[async () => {}](),
+  1
+);
+assert.sameValue(
+  C[async () => {}](),
+  1
+);
+assert.sameValue(
+  c[String(async () => {})](),
+  1
+);
+assert.sameValue(
+  C[String(async () => {})](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-await-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-await-expression.js
new file mode 100644
index 0000000000..195a54bafc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-await-expression.js
@@ -0,0 +1,72 @@
+// |reftest| module async
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-await-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, top-level-await, class-fields-public, class-static-fields-public]
+flags: [generated, async, module]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+try {
+
+
+let C = class {
+  [await 9] = () => {
+    return 9;
+  };
+
+  static [await 9] = () => {
+    return 9;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[await 9](),
+  9
+);
+assert.sameValue(
+  C[await 9](),
+  9
+);
+assert.sameValue(
+  c[String(await 9)](),
+  9
+);
+assert.sameValue(
+  C[String(await 9)](),
+  9
+);
+
+} catch (e) {
+  $DONE(e);
+}
+$DONE();
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-false.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-false.js
new file mode 100644
index 0000000000..bd79d94e1a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-false.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-false.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [false ? 1 : 2] = () => {
+    return 1;
+  };
+
+  static [false ? 1 : 2] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[false ? 1 : 2](),
+  1
+);
+assert.sameValue(
+  C[false ? 1 : 2](),
+  1
+);
+assert.sameValue(
+  c[String(false ? 1 : 2)](),
+  1
+);
+assert.sameValue(
+  C[String(false ? 1 : 2)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-true.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-true.js
new file mode 100644
index 0000000000..ebab97ae18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-condition-expression-true.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-condition-expression-true.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [true ? 1 : 2] = () => {
+    return 2;
+  };
+
+  static [true ? 1 : 2] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[true ? 1 : 2](),
+  2
+);
+assert.sameValue(
+  C[true ? 1 : 2](),
+  2
+);
+assert.sameValue(
+  c[String(true ? 1 : 2)](),
+  2
+);
+assert.sameValue(
+  C[String(true ? 1 : 2)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-e-notational-literal.js
new file mode 100644
index 0000000000..3f58d25b79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-e-notational-literal.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from decimal e notational literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1.e1] = () => {
+    return 2;
+  };
+
+  static [1.e1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.e1](),
+  2
+);
+assert.sameValue(
+  C[1.e1](),
+  2
+);
+assert.sameValue(
+  c[String(1.e1)](),
+  2
+);
+assert.sameValue(
+  C[String(1.e1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-literal.js
new file mode 100644
index 0000000000..3d97072386
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-decimal-literal.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-decimal-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from decimal literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1.1] = () => {
+    return 2;
+  };
+
+  static [1.1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1.1](),
+  2
+);
+assert.sameValue(
+  C[1.1](),
+  2
+);
+assert.sameValue(
+  c[String(1.1)](),
+  2
+);
+assert.sameValue(
+  C[String(1.1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-exponetiation-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-exponetiation-expression.js
new file mode 100644
index 0000000000..524720575e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-exponetiation-expression.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-exponetiation-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from exponentiation expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [2 ** 2] = () => {
+    return 4;
+  };
+
+  static [2 ** 2] = () => {
+    return 4;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[2 ** 2](),
+  4
+);
+assert.sameValue(
+  C[2 ** 2](),
+  4
+);
+assert.sameValue(
+  c[String(2 ** 2)](),
+  4
+);
+assert.sameValue(
+  C[String(2 ** 2)](),
+  4
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-coalesce.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-coalesce.js
new file mode 100644
index 0000000000..a7cf9a1929
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-coalesce.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-coalesce.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from coalesce (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x;
+
+
+let C = class {
+  [x ?? 1] = () => {
+    return 2;
+  };
+
+  static [x ?? 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x ?? 1](),
+  2
+);
+assert.sameValue(
+  C[x ?? 1](),
+  2
+);
+assert.sameValue(
+  c[String(x ?? 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x ?? 1)](),
+  2
+);
+
+assert.sameValue(x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-and.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-and.js
new file mode 100644
index 0000000000..5c4ba7c819
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-and.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-and.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from logical and (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x && 1] = () => {
+    return 2;
+  };
+
+  static [x && 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x && 1](),
+  2
+);
+assert.sameValue(
+  C[x && 1](),
+  2
+);
+assert.sameValue(
+  c[String(x && 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x && 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-or.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-or.js
new file mode 100644
index 0000000000..0f960760fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-expression-logical-or.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-expression-logical-or.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from logical or (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 0;
+
+
+let C = class {
+  [x || 1] = () => {
+    return 2;
+  };
+
+  static [x || 1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x || 1](),
+  2
+);
+assert.sameValue(
+  C[x || 1](),
+  2
+);
+assert.sameValue(
+  c[String(x || 1)](),
+  2
+);
+assert.sameValue(
+  C[String(x || 1)](),
+  2
+);
+
+assert.sameValue(x, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-declaration.js
new file mode 100644
index 0000000000..27d7dcd92d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-declaration.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function f() {}
+
+
+let C = class {
+  [f()] = () => {
+    return 1;
+  };
+
+  static [f()] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[f()](),
+  1
+);
+assert.sameValue(
+  C[f()](),
+  1
+);
+assert.sameValue(
+  c[String(f())](),
+  1
+);
+assert.sameValue(
+  C[String(f())](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-expression.js
new file mode 100644
index 0000000000..087ffd71fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-function-expression.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-function-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from function expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [function () {}] = () => {
+    return 1;
+  };
+
+  static [function () {}] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[function () {}](),
+  1
+);
+assert.sameValue(
+  C[function () {}](),
+  1
+);
+assert.sameValue(
+  c[String(function () {})](),
+  1
+);
+assert.sameValue(
+  C[String(function () {})](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-generator-function-declaration.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-generator-function-declaration.js
new file mode 100644
index 0000000000..cee833fe26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-generator-function-declaration.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-generator-function-declaration.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from generator function (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() { return 1; }
+
+
+let C = class {
+  [g()] = () => {
+    return 1;
+  };
+
+  static [g()] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[g()](),
+  1
+);
+assert.sameValue(
+  C[g()](),
+  1
+);
+assert.sameValue(
+  c[String(g())](),
+  1
+);
+assert.sameValue(
+  C[String(g())](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-identifier.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-identifier.js
new file mode 100644
index 0000000000..5fed37d68f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-identifier.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-identifier.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+let x = 1;
+
+
+
+let C = class {
+  [x] = () => {
+    return '2';
+  };
+
+  static [x] = () => {
+    return '2';
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[x](),
+  '2'
+);
+assert.sameValue(
+  C[x](),
+  '2'
+);
+assert.sameValue(
+  c[String(x)](),
+  '2'
+);
+assert.sameValue(
+  C[String(x)](),
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-e-notational-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-e-notational-literal.js
new file mode 100644
index 0000000000..40eb283d21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-e-notational-literal.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-e-notational-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1] = () => {
+    return 2;
+  };
+
+  static [1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1](),
+  2
+);
+assert.sameValue(
+  C[1](),
+  2
+);
+assert.sameValue(
+  c[String(1)](),
+  2
+);
+assert.sameValue(
+  C[String(1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-separators.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-separators.js
new file mode 100644
index 0000000000..1683c8839f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-integer-separators.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-integer-separators.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from integer with separators (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1_2_3_4_5_6_7_8] = () => {
+    return 1_2_3_4_5_6_7_8;
+  };
+
+  static [1_2_3_4_5_6_7_8] = () => {
+    return 1_2_3_4_5_6_7_8;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1_2_3_4_5_6_7_8](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[1_2_3_4_5_6_7_8](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  c[String(1_2_3_4_5_6_7_8)](),
+  1_2_3_4_5_6_7_8
+);
+assert.sameValue(
+  C[String(1_2_3_4_5_6_7_8)](),
+  1_2_3_4_5_6_7_8
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-math.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-math.js
new file mode 100644
index 0000000000..a2c3cd15f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-math.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-math.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from math (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, exponentiation, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 + 2 - 3 * 4 / 5 ** 6] = () => {
+    return 2.999232;
+  };
+
+  static [1 + 2 - 3 * 4 / 5 ** 6] = () => {
+    return 2.999232;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 + 2 - 3 * 4 / 5 ** 6](),
+  2.999232
+);
+assert.sameValue(
+  C[1 + 2 - 3 * 4 / 5 ** 6](),
+  2.999232
+);
+assert.sameValue(
+  c[String(1 + 2 - 3 * 4 / 5 ** 6)](),
+  2.999232
+);
+assert.sameValue(
+  C[String(1 + 2 - 3 * 4 / 5 ** 6)](),
+  2.999232
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-div.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-div.js
new file mode 100644
index 0000000000..60660f747c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-div.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-div.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from multiplicative expression "divide" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 / 1] = () => {
+    return 1;
+  };
+
+  static [1 / 1] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 / 1](),
+  1
+);
+assert.sameValue(
+  C[1 / 1](),
+  1
+);
+assert.sameValue(
+  c[String(1 / 1)](),
+  1
+);
+assert.sameValue(
+  C[String(1 / 1)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-mult.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-mult.js
new file mode 100644
index 0000000000..40a2ae3d4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-multiplicative-expression-mult.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-multiplicative-expression-mult.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from multiplicative expression "multiply" (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1 * 1] = () => {
+    return 1;
+  };
+
+  static [1 * 1] = () => {
+    return 1;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1 * 1](),
+  1
+);
+assert.sameValue(
+  C[1 * 1](),
+  1
+);
+assert.sameValue(
+  c[String(1 * 1)](),
+  1
+);
+assert.sameValue(
+  C[String(1 * 1)](),
+  1
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-null.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-null.js
new file mode 100644
index 0000000000..10fd20ff21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-null.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-null.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from condition expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [null] = () => {
+    return null;
+  };
+
+  static [null] = () => {
+    return null;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[null](),
+  null
+);
+assert.sameValue(
+  C[null](),
+  null
+);
+assert.sameValue(
+  c[String(null)](),
+  null
+);
+assert.sameValue(
+  C[String(null)](),
+  null
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-numeric-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-numeric-literal.js
new file mode 100644
index 0000000000..64cb221ce7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-numeric-literal.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-numeric-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from numeric literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  [1] = () => {
+    return 2;
+  };
+
+  static [1] = () => {
+    return 2;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[1](),
+  2
+);
+assert.sameValue(
+  C[1](),
+  2
+);
+assert.sameValue(
+  c[String(1)](),
+  2
+);
+assert.sameValue(
+  C[String(1)](),
+  2
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-string-literal.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-string-literal.js
new file mode 100644
index 0000000000..a12c751807
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-string-literal.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-string-literal.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from string literal (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+
+
+let C = class {
+  ['1'] = () => {
+    return '2';
+  };
+
+  static ['1'] = () => {
+    return '2';
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c['1'](),
+  '2'
+);
+assert.sameValue(
+  C['1'](),
+  '2'
+);
+assert.sameValue(
+  c[String('1')](),
+  '2'
+);
+assert.sameValue(
+  C[String('1')](),
+  '2'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-yield-expression.js b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-yield-expression.js
new file mode 100644
index 0000000000..24ab16a2c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cpn-class-decl-fields-methods-computed-property-name-from-yield-expression.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/computed-property-names/computed-property-name-from-yield-expression.case
+// - src/computed-property-names/evaluation/class-declaration-fields-methods.template
+/*---
+description: Computed property name from yield expression (ComputedPropertyName in ClassExpression)
+esid: prod-ComputedPropertyName
+features: [computed-property-names, class-fields-public, class-static-fields-public]
+flags: [generated]
+info: |
+    ClassExpression:
+      classBindingIdentifier opt ClassTail
+
+    ClassTail:
+      ClassHeritage opt { ClassBody opt }
+
+    ClassBody:
+      ClassElementList
+
+    ClassElementList:
+      ClassElement
+
+    ClassElement:
+      MethodDefinition
+
+    MethodDefinition:
+      PropertyName ...
+      get PropertyName ...
+      set PropertyName ...
+
+    PropertyName:
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+---*/
+function * g() {
+
+
+let C = class {
+  [yield 9] = () => {
+    return 9;
+  };
+
+  static [yield 9] = () => {
+    return 9;
+  };
+};
+
+let c = new C();
+
+assert.sameValue(
+  c[yield 9](),
+  9
+);
+assert.sameValue(
+  C[yield 9](),
+  9
+);
+assert.sameValue(
+  c[String(yield 9)](),
+  9
+);
+assert.sameValue(
+  C[String(yield 9)](),
+  9
+);
+
+}
+var iter = g();
+while (iter.next().done === false) ;
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/cptn-decl.js b/js/src/tests/test262/language/statements/class/cptn-decl.js
new file mode 100644
index 0000000000..f3beb693c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/cptn-decl.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2017 Apple Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-runtime-semantics-evaluation
+description: Class declaration completion value is empty.
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Perform ? BindingClassDeclarationEvaluation of this ClassDeclaration.
+    2. Return NormalCompletion(empty).
+---*/
+
+assert.sameValue(eval('class C {}'), undefined);
+assert.sameValue(eval('1; class C {}'), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/browser.js b/js/src/tests/test262/language/statements/class/decorator/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/browser.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/shell.js b/js/src/tests/test262/language/statements/class/decorator/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/shell.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/browser.js b/js/src/tests/test262/language/statements/class/decorator/syntax/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/browser.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/browser.js b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/browser.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/decorator-member-expr-private-identifier.js b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/decorator-member-expr-private-identifier.js
new file mode 100644
index 0000000000..11587354a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/decorator-member-expr-private-identifier.js
@@ -0,0 +1,57 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-private-identifier.case
+// - src/decorator/syntax/class-valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class declaration in class body.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorMemberExpression[Yield, Await] :
+      PrivateIdentifier
+
+    PrivateIdentifier ::
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #$() {}
+  static #_() {}
+  static #\u{6F}() {}
+  static #\u2118() {}
+  static #ZW_\u200C_NJ() {}
+  static #ZW_\u200D_J() {}
+  static #yield() {}
+  static #await() {}
+
+  static {
+    @#$
+    @#_
+    @#\u{6F}
+    @#\u2118
+    @#ZW_\u200C_NJ
+    @#ZW_\u200D_J
+    @#yield
+    @#await class C {}
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/shell.js b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/class-valid/shell.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/shell.js b/js/src/tests/test262/language/statements/class/decorator/syntax/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/shell.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/browser.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/browser.js
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-call-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-call-expr-identifier-reference.js
new file mode 100644
index 0000000000..b50802ba42
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-call-expr-identifier-reference.js
@@ -0,0 +1,88 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-call-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-element-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorCallExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassElement[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt static MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt FieldDefinition[?Yield, ?Await] ;
+      DecoratorList[?Yield, ?Await]opt static FieldDefinition[?Yield, ?Await] ;
+      ClassStaticBlock
+      ;
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorCallExpression[Yield, Await] :
+      DecoratorMemberExpression[?Yield, ?Await] Arguments[?Yield, ?Await]
+
+    DecoratorMemberExpression[Yield, Await] :
+      IdentifierReference[?Yield, ?Await]
+      PrivateIdentifier
+      DecoratorMemberExpression[?Yield, ?Await] . IdentifierName
+
+    IdentifierReference[Yield, Await] :
+      Identifier
+      [~Yield] yield
+      [~Await] await
+
+---*/
+function decorator() {
+  return () => {};
+}
+var $ = decorator;
+var _ = decorator;
+var \u{6F} = decorator;
+var \u2118 = decorator;
+var ZW_\u200C_NJ = decorator;
+var ZW_\u200D_J = decorator;
+var await = decorator;
+
+
+
+class C {
+  @$()
+  @_()
+  @\u{6F}()
+  @\u2118()
+  @ZW_\u200C_NJ()
+  @ZW_\u200D_J()
+  @await() method() {}
+  @$()
+  @_()
+  @\u{6F}()
+  @\u2118()
+  @ZW_\u200C_NJ()
+  @ZW_\u200D_J()
+  @await() static method() {}
+  @$()
+  @_()
+  @\u{6F}()
+  @\u2118()
+  @ZW_\u200C_NJ()
+  @ZW_\u200D_J()
+  @await() field;
+  @$()
+  @_()
+  @\u{6F}()
+  @\u2118()
+  @ZW_\u200C_NJ()
+  @ZW_\u200D_J()
+  @await() static field;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-decorator-member-expr.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-decorator-member-expr.js
new file mode 100644
index 0000000000..38db55bc84
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-decorator-member-expr.js
@@ -0,0 +1,84 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-decorator-member-expr.case
+// - src/decorator/syntax/valid/cls-element-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassElement[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt static MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt FieldDefinition[?Yield, ?Await] ;
+      DecoratorList[?Yield, ?Await]opt static FieldDefinition[?Yield, ?Await] ;
+      ClassStaticBlock
+      ;
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorMemberExpression[Yield, Await] :
+      IdentifierReference[?Yield, ?Await]
+      PrivateIdentifier
+      DecoratorMemberExpression[?Yield, ?Await] . IdentifierName
+
+---*/
+let ns = {
+  $() {},
+  _() {},
+  \u{6F}() {},
+  \u2118() {},
+  ZW_\u200C_NJ() {},
+  ZW_\u200D_J() {},
+  yield() {},
+  await() {},
+}
+
+
+
+class C {
+  @ns.$
+  @ns._
+  @ns.\u{6F}
+  @ns.\u2118
+  @ns.ZW_\u200C_NJ
+  @ns.ZW_\u200D_J
+  @ns.yield
+  @ns.await method() {}
+  @ns.$
+  @ns._
+  @ns.\u{6F}
+  @ns.\u2118
+  @ns.ZW_\u200C_NJ
+  @ns.ZW_\u200D_J
+  @ns.yield
+  @ns.await static method() {}
+  @ns.$
+  @ns._
+  @ns.\u{6F}
+  @ns.\u2118
+  @ns.ZW_\u200C_NJ
+  @ns.ZW_\u200D_J
+  @ns.yield
+  @ns.await field;
+  @ns.$
+  @ns._
+  @ns.\u{6F}
+  @ns.\u2118
+  @ns.ZW_\u200C_NJ
+  @ns.ZW_\u200D_J
+  @ns.yield
+  @ns.await static field;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-identifier-reference.js
new file mode 100644
index 0000000000..468d3e2b2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-member-expr-identifier-reference.js
@@ -0,0 +1,77 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-element-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassElement[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt static MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt FieldDefinition[?Yield, ?Await] ;
+      DecoratorList[?Yield, ?Await]opt static FieldDefinition[?Yield, ?Await] ;
+      ClassStaticBlock
+      ;
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    IdentifierReference[Yield, Await] :
+      Identifier
+      [~Yield] yield
+      [~Await] await
+
+---*/
+function $() {}
+function _() {}
+function \u{6F}() {}
+function \u2118() {}
+function ZW_\u200C_NJ() {}
+function ZW_\u200D_J() {}
+function await() {}
+
+
+
+class C {
+  @$
+  @_
+  @\u{6F}
+  @\u2118
+  @ZW_\u200C_NJ
+  @ZW_\u200D_J
+  @await method() {}
+  @$
+  @_
+  @\u{6F}
+  @\u2118
+  @ZW_\u200C_NJ
+  @ZW_\u200D_J
+  @await static method() {}
+  @$
+  @_
+  @\u{6F}
+  @\u2118
+  @ZW_\u200C_NJ
+  @ZW_\u200D_J
+  @await field;
+  @$
+  @_
+  @\u{6F}
+  @\u2118
+  @ZW_\u200C_NJ
+  @ZW_\u200D_J
+  @await static field;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-parenthesized-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-parenthesized-expr-identifier-reference.js
new file mode 100644
index 0000000000..8acb98f1c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/class-element-decorator-parenthesized-expr-identifier-reference.js
@@ -0,0 +1,90 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-parenthesized-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-element-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorParenthesizedExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassElement[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt static MethodDefinition[?Yield, ?Await]
+      DecoratorList[?Yield, ?Await]opt FieldDefinition[?Yield, ?Await] ;
+      DecoratorList[?Yield, ?Await]opt static FieldDefinition[?Yield, ?Await] ;
+      ClassStaticBlock
+      ;
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorParenthesizedExpression[Yield, Await] :
+      ( Expression[+In, ?Yield, ?Await] )
+
+    PrimaryExpression[Yield, Await] :
+      this
+      IdentifierReference[?Yield, ?Await]
+      Literal
+      ArrayLiteral[?Yield, ?Await]
+      ObjectLiteral[?Yield, ?Await]
+      FunctionExpression
+      ClassExpression[?Yield, ?Await]
+      GeneratorExpression
+      AsyncFunctionExpression
+      AsyncGeneratorExpression
+      RegularExpressionLiteral
+      TemplateLiteral[?Yield, ?Await, ~Tagged]
+      CoverParenthesizedExpressionAndArrowParameterList[?Yield, ?Await]
+
+---*/
+function $() {}
+function _() {}
+function \u{6F}() {}
+function \u2118() {}
+function ZW_\u200C_NJ() {}
+function ZW_\u200D_J() {}
+function await() {}
+
+
+
+class C {
+  @($)
+  @(_)
+  @(\u{6F})
+  @(\u2118)
+  @(ZW_\u200C_NJ)
+  @(ZW_\u200D_J)
+  @(await) method() {}
+  @($)
+  @(_)
+  @(\u{6F})
+  @(\u2118)
+  @(ZW_\u200C_NJ)
+  @(ZW_\u200D_J)
+  @(await) static method() {}
+  @($)
+  @(_)
+  @(\u{6F})
+  @(\u2118)
+  @(ZW_\u200C_NJ)
+  @(ZW_\u200D_J)
+  @(await) field;
+  @($)
+  @(_)
+  @(\u{6F})
+  @(\u2118)
+  @(ZW_\u200C_NJ)
+  @(ZW_\u200D_J)
+  @(await) static field;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference-yield.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference-yield.js
new file mode 100644
index 0000000000..f86f894f1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference-yield.js
@@ -0,0 +1,48 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-call-expr-identifier-reference-yield.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorCallExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorCallExpression[Yield, Await] :
+      DecoratorMemberExpression[?Yield, ?Await] Arguments[?Yield, ?Await]
+
+    DecoratorMemberExpression[Yield, Await] :
+      IdentifierReference[?Yield, ?Await]
+      PrivateIdentifier
+      DecoratorMemberExpression[?Yield, ?Await] . IdentifierName
+
+    IdentifierReference[Yield, Await] :
+      [~Yield] yield
+      ...
+
+---*/
+function decorator() {
+  return () => {};
+}
+var yield = decorator;
+
+
+
+@yield() class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference.js
new file mode 100644
index 0000000000..217747833b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-call-expr-identifier-reference.js
@@ -0,0 +1,61 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-call-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorCallExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorCallExpression[Yield, Await] :
+      DecoratorMemberExpression[?Yield, ?Await] Arguments[?Yield, ?Await]
+
+    DecoratorMemberExpression[Yield, Await] :
+      IdentifierReference[?Yield, ?Await]
+      PrivateIdentifier
+      DecoratorMemberExpression[?Yield, ?Await] . IdentifierName
+
+    IdentifierReference[Yield, Await] :
+      Identifier
+      [~Yield] yield
+      [~Await] await
+
+---*/
+function decorator() {
+  return () => {};
+}
+var $ = decorator;
+var _ = decorator;
+var \u{6F} = decorator;
+var \u2118 = decorator;
+var ZW_\u200C_NJ = decorator;
+var ZW_\u200D_J = decorator;
+var await = decorator;
+
+
+
+@$()
+@_()
+@\u{6F}()
+@\u2118()
+@ZW_\u200C_NJ()
+@ZW_\u200D_J()
+@await() class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-decorator-member-expr.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-decorator-member-expr.js
new file mode 100644
index 0000000000..ce38509819
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-decorator-member-expr.js
@@ -0,0 +1,54 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-decorator-member-expr.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorMemberExpression[Yield, Await] :
+      IdentifierReference[?Yield, ?Await]
+      PrivateIdentifier
+      DecoratorMemberExpression[?Yield, ?Await] . IdentifierName
+
+---*/
+let ns = {
+  $() {},
+  _() {},
+  \u{6F}() {},
+  \u2118() {},
+  ZW_\u200C_NJ() {},
+  ZW_\u200D_J() {},
+  yield() {},
+  await() {},
+}
+
+
+
+@ns.$
+@ns._
+@ns.\u{6F}
+@ns.\u2118
+@ns.ZW_\u200C_NJ
+@ns.ZW_\u200D_J
+@ns.yield
+@ns.await class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference-yield.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference-yield.js
new file mode 100644
index 0000000000..216d97d4ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference-yield.js
@@ -0,0 +1,37 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-identifier-reference-yield.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    IdentifierReference[Yield, Await] :
+      [~Yield] yield
+      ...
+
+---*/
+function yield() {}
+
+
+
+@yield class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference.js
new file mode 100644
index 0000000000..e77cec62dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-member-expr-identifier-reference.js
@@ -0,0 +1,50 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-member-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorMemberExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    IdentifierReference[Yield, Await] :
+      Identifier
+      [~Yield] yield
+      [~Await] await
+
+---*/
+function $() {}
+function _() {}
+function \u{6F}() {}
+function \u2118() {}
+function ZW_\u200C_NJ() {}
+function ZW_\u200D_J() {}
+function await() {}
+
+
+
+@$
+@_
+@\u{6F}
+@\u2118
+@ZW_\u200C_NJ
+@ZW_\u200D_J
+@await class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference-yield.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference-yield.js
new file mode 100644
index 0000000000..a8bdc2488a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference-yield.js
@@ -0,0 +1,55 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-parenthesized-expr-identifier-reference-yield.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorParenthesizedExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorParenthesizedExpression[Yield, Await] :
+      ( Expression[+In, ?Yield, ?Await] )
+
+    PrimaryExpression[Yield, Await] :
+      this
+      IdentifierReference[?Yield, ?Await]
+      Literal
+      ArrayLiteral[?Yield, ?Await]
+      ObjectLiteral[?Yield, ?Await]
+      FunctionExpression
+      ClassExpression[?Yield, ?Await]
+      GeneratorExpression
+      AsyncFunctionExpression
+      AsyncGeneratorExpression
+      RegularExpressionLiteral
+      TemplateLiteral[?Yield, ?Await, ~Tagged]
+      CoverParenthesizedExpressionAndArrowParameterList[?Yield, ?Await]
+
+    IdentifierReference[Yield, Await] :
+      [~Yield] yield
+      ...
+
+---*/
+function yield() {}
+
+
+
+@(yield) class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference.js
new file mode 100644
index 0000000000..709f352eea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/decorator-parenthesized-expr-identifier-reference.js
@@ -0,0 +1,63 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/decorator/decorator-parenthesized-expr-identifier-reference.case
+// - src/decorator/syntax/valid/cls-decl-decorators-valid-syntax.template
+/*---
+description: Decorator @ DecoratorParenthesizedExpression (Valid syntax for decorator on class.)
+esid: prod-ClassDeclaration
+features: [class, decorators]
+flags: [generated]
+info: |
+    ClassDeclaration[Yield, Await, Default] :
+      DecoratorList[?Yield, ?Await]opt class BindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] DecoratorList[?Yield, ?Await]opt class ClassTail[?Yield, ?Await]
+
+    DecoratorList[Yield, Await] :
+      DecoratorList[?Yield, ?Await]opt Decorator[?Yield, ?Await]
+
+    Decorator[Yield, Await] :
+      @ DecoratorMemberExpression[?Yield, ?Await]
+      @ DecoratorParenthesizedExpression[?Yield, ?Await]
+      @ DecoratorCallExpression[?Yield, ?Await]
+
+    ...
+
+
+    DecoratorParenthesizedExpression[Yield, Await] :
+      ( Expression[+In, ?Yield, ?Await] )
+
+    PrimaryExpression[Yield, Await] :
+      this
+      IdentifierReference[?Yield, ?Await]
+      Literal
+      ArrayLiteral[?Yield, ?Await]
+      ObjectLiteral[?Yield, ?Await]
+      FunctionExpression
+      ClassExpression[?Yield, ?Await]
+      GeneratorExpression
+      AsyncFunctionExpression
+      AsyncGeneratorExpression
+      RegularExpressionLiteral
+      TemplateLiteral[?Yield, ?Await, ~Tagged]
+      CoverParenthesizedExpressionAndArrowParameterList[?Yield, ?Await]
+
+---*/
+function $() {}
+function _() {}
+function \u{6F}() {}
+function \u2118() {}
+function ZW_\u200C_NJ() {}
+function ZW_\u200D_J() {}
+function await() {}
+
+
+
+@($)
+@(_)
+@(\u{6F})
+@(\u2118)
+@(ZW_\u200C_NJ)
+@(ZW_\u200D_J)
+@(await) class C {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/decorator/syntax/valid/shell.js b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/decorator/syntax/valid/shell.js
diff --git a/js/src/tests/test262/language/statements/class/definition/accessors.js b/js/src/tests/test262/language/statements/class/definition/accessors.js
new file mode 100644
index 0000000000..aea9a74946
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/accessors.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class accessors
+---*/
+
+function assertAccessorDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assert.sameValue(typeof desc.get, 'function', "`typeof desc.get` is `'function'`");
+  assert.sameValue(typeof desc.set, 'function', "`typeof desc.set` is `'function'`");
+  assert.sameValue(
+    'prototype' in desc.get,
+    false,
+    "The result of `'prototype' in desc.get` is `false`"
+  );
+  assert.sameValue(
+    'prototype' in desc.set,
+    false,
+    "The result of `'prototype' in desc.set` is `false`"
+  );
+}
+
+
+class C {
+  constructor(x) {
+    this._x = x;
+  }
+
+  get x() { return this._x; }
+  set x(v) { this._x = v; }
+
+  static get staticX() { return this._x; }
+  static set staticX(v) { this._x = v; }
+}
+
+assertAccessorDescriptor(C.prototype, 'x');
+assertAccessorDescriptor(C, 'staticX');
+
+var c = new C(1);
+c._x = 1;
+assert.sameValue(c.x, 1, "The value of `c.x` is `1`, after executing `c._x = 1;`");
+c.x = 2;
+assert.sameValue(c._x, 2, "The value of `c._x` is `2`, after executing `c.x = 2;`");
+
+C._x = 3;
+assert.sameValue(C.staticX, 3, "The value of `C.staticX` is `3`, after executing `C._x = 3;`");
+C._x = 4;
+assert.sameValue(C.staticX, 4, "The value of `C.staticX` is `4`, after executing `C._x = 4;`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/basics.js b/js/src/tests/test262/language/statements/class/definition/basics.js
new file mode 100644
index 0000000000..bead8794e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/basics.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class basics
+---*/
+var C = class C {}
+assert.sameValue(typeof C, 'function', "`typeof C` is `'function'`");
+assert.sameValue(
+    Object.getPrototypeOf(C.prototype),
+    Object.prototype,
+    "`Object.getPrototypeOf(C.prototype)` returns `Object.prototype`"
+);
+assert.sameValue(
+    Object.getPrototypeOf(C),
+    Function.prototype,
+    "`Object.getPrototypeOf(C)` returns `Function.prototype`"
+);
+assert.sameValue(C.name, 'C', "The value of `C.name` is `'C'`");
+
+class D {}
+assert.sameValue(typeof D, 'function', "`typeof D` is `'function'`");
+assert.sameValue(
+    Object.getPrototypeOf(D.prototype),
+    Object.prototype,
+    "`Object.getPrototypeOf(D.prototype)` returns `Object.prototype`"
+);
+assert.sameValue(
+    Object.getPrototypeOf(D),
+    Function.prototype,
+    "`Object.getPrototypeOf(D)` returns `Function.prototype`"
+);
+assert.sameValue(D.name, 'D', "The value of `D.name` is `'D'`");
+
+class D2 { constructor() {} }
+assert.sameValue(D2.name, 'D2', "The value of `D2.name` is `'D2'`");
+
+var E = class {}
+assert.sameValue(E.name, 'E', "The value of `E.name` is `'E'`");
+
+var F = class { constructor() {} };
+assert.sameValue(F.name, 'F', "The value of `F.name` is `'F'`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/browser.js b/js/src/tests/test262/language/statements/class/definition/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/browser.js
diff --git a/js/src/tests/test262/language/statements/class/definition/class-method-returns-promise.js b/js/src/tests/test262/language/statements/class/definition/class-method-returns-promise.js
new file mode 100644
index 0000000000..faa55ae7a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/class-method-returns-promise.js
@@ -0,0 +1,17 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+features: [async-functions]
+description: >
+  Async function expressions return promises
+---*/
+class Foo {
+  async method() {};
+}
+var p = new Foo().method();
+assert(p instanceof Promise, "async functions return promise instances");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/constructable-but-no-prototype.js b/js/src/tests/test262/language/statements/class/definition/constructable-but-no-prototype.js
new file mode 100644
index 0000000000..f765200b24
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/constructable-but-no-prototype.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class constructable but no prototype
+---*/
+var Base = function() {}.bind();
+assert.throws(TypeError, function() {
+  class C extends Base {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/constructor-property.js b/js/src/tests/test262/language/statements/class/definition/constructor-property.js
new file mode 100644
index 0000000000..d19269c38e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/constructor-property.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class constructor property
+---*/
+class C {}
+assert.sameValue(
+    C,
+    C.prototype.constructor,
+    "The value of `C` is `C.prototype.constructor`"
+);
+var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');
+assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+assert.sameValue(desc.writable, true, "The value of `desc.writable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/constructor-strict-by-default.js b/js/src/tests/test262/language/statements/class/definition/constructor-strict-by-default.js
new file mode 100644
index 0000000000..5680bfcc05
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/constructor-strict-by-default.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class constructor strict
+---*/
+class C {
+  constructor() {
+    assert.throws(ReferenceError, function() {
+      nonExistingBinding = 42;
+    });
+  }
+}
+new C();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/constructor.js b/js/src/tests/test262/language/statements/class/definition/constructor.js
new file mode 100644
index 0000000000..c084dbdb29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/constructor.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class constructor
+---*/
+var count = 0;
+class C {
+  constructor() {
+    assert.sameValue(
+      Object.getPrototypeOf(this),
+      C.prototype,
+      "`Object.getPrototypeOf(this)` returns `C.prototype`"
+    );
+    count++;
+  }
+}
+assert.sameValue(
+  C,
+  C.prototype.constructor,
+  "The value of `C` is `C.prototype.constructor`"
+);
+var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');
+assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+assert.sameValue(desc.writable, true, "The value of `descr.writable` is `true`, after executing `var desc = Object.getOwnPropertyDescriptor(C.prototype, 'constructor');`");
+
+var c = new C();
+assert.sameValue(count, 1, "The value of `count` is `1`");
+assert.sameValue(
+  Object.getPrototypeOf(c),
+  C.prototype,
+  "`Object.getPrototypeOf(c)` returns `C.prototype`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-async-method-duplicate-parameters.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-async-method-duplicate-parameters.js
new file mode 100644
index 0000000000..58ec8e3d98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-async-method-duplicate-parameters.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-async-function-definitions
+description: Formal parameters may not contain duplicates
+info: |
+  # 14.7 Arrow Function Definitions
+
+  AsyncMethod[Yield, Await]:
+    async[no LineTerminator here]PropertyName[?Yield, ?Await](UniqueFormalParameters[~Yield, +Await]){AsyncFunctionBody}
+
+  # 14.1.2 Static Semantics: Early Errors
+
+  UniqueFormalParameters:FormalParameters
+
+  - It is a Syntax Error if BoundNames of FormalParameters contains any
+    duplicate elements.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class Foo {
+  async foo(a, a) { }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-NSPL-with-USD.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-NSPL-with-USD.js
new file mode 100644
index 0000000000..49482b14a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-NSPL-with-USD.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: >
+  It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is *true* and IsSimpleParameterList of ArrowParameters is *false*.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async bar(x = 1) {"use strict"}
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-arguments-in-formal-parameters.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-arguments-in-formal-parameters.js
new file mode 100644
index 0000000000..08efd9e9b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-arguments-in-formal-parameters.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a SyntaxError if FormalParameters contains arguments
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo (arguments) { }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals-default.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals-default.js
new file mode 100644
index 0000000000..c4a99c4b58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals-default.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a SyntaxError if FormalParameters' default expressions contains await
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo (x = await) {  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals.js
new file mode 100644
index 0000000000..67641cd169
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-await-in-formals.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a SyntaxError if FormalParameters contains await
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo (await) {  }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-body-contains-super-call.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-body-contains-super-call.js
new file mode 100644
index 0000000000..61fc064ca4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-body-contains-super-call.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a SyntaxError if AsyncFunctionBody contains SuperCall is true
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo () { super() }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-duplicate-parameters.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-duplicate-parameters.js
new file mode 100644
index 0000000000..b92ae46a08
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-duplicate-parameters.js
@@ -0,0 +1,29 @@
+// |reftest| error:SyntaxError
+// Copyright 2019 Mike Pennisi. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions
+description: Formal parameters may not contain duplicates
+info: |
+  # 14.3 Method Definitions
+
+  MethodDefinition[Yield, Await]:
+    PropertyName[?Yield, ?Await](UniqueFormalParameters[~Yield, ~Await]){FunctionBody[~Yield, ~Await]}
+
+  # 14.1.2 Static Semantics: Early Errors
+
+  UniqueFormalParameters:FormalParameters
+
+  - It is a Syntax Error if BoundNames of FormalParameters contains any
+    duplicate elements.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class Foo {
+  foo(a, a) { }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-eval-in-formal-parameters.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-eval-in-formal-parameters.js
new file mode 100644
index 0000000000..16f456926e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-eval-in-formal-parameters.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a SyntaxError if FormalParameters contains eval in strict mode
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo(eval) { }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-body-duplicate.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-body-duplicate.js
new file mode 100644
index 0000000000..e1986d88ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-body-duplicate.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: >
+  It is a SyntaxError if BoundNames of FormalParameters also occurs in the LexicallyDeclaredNames of AsyncFunctionBody
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class Foo {
+  async function foo(bar) { let bar; }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-contains-super-call.js b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-contains-super-call.js
new file mode 100644
index 0000000000..ebcc041b35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/early-errors-class-method-formals-contains-super-call.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: It is a syntax error if FormalParameters contains SuperCall is true
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class Foo {
+  async foo(foo = super()) { }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence-order.js b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence-order.js
new file mode 100644
index 0000000000..ec6501c61f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence-order.js
@@ -0,0 +1,74 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Function `length` attribute not inferred in presence of static `length` method
+info: |
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    14. If constructor is empty, then [...]
+      b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent).
+    15. Else,
+      a. Let constructorInfo be ! DefineMethod of constructor with arguments proto and constructorParent.
+         [ This sets the length property on constructorInfo.[[Closure]]. ]
+      b. Let F be constructorInfo.[[Closure]].
+      [...]
+    25. For each ClassElement e of elements, do
+      a. If IsStatic of e is false, then [...]
+      b. Else,
+        i. Let field be ClassElementEvaluation of e with arguments F and false.
+           [ This overwrites the length property on F. ]
+includes: [compareArray.js]
+features: [generators]
+---*/
+
+class A {
+  static method() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+  static length() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(A), ['length', 'name', 'prototype', 'method'])
+
+var attr = 'length';
+class B {
+  static [attr]() {
+    throw new Test262Error(
+      'Static method defined via computed property should not be executed ' +
+      'during definition'
+    );
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(B), ['length', 'name', 'prototype'])
+
+class C {
+  static get length() {
+    throw new Test262Error('Static `get` accessor should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(C), ['length', 'name', 'prototype'])
+
+class D {
+  static set length(_) {
+    throw new Test262Error('Static `set` accessor should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(D), ['length', 'name', 'prototype'])
+
+class E {
+  static *length() {
+    throw new Test262Error('Static GeneratorMethod should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(E), ['length', 'name', 'prototype'])
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js
new file mode 100644
index 0000000000..51ac1bf7aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js
@@ -0,0 +1,78 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Function `length` attribute not inferred in presence of static `length` method
+info: |
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    14. If constructor is empty, then [...]
+      b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent).
+    15. Else,
+      a. Let constructorInfo be ! DefineMethod of constructor with arguments proto and constructorParent.
+         [ This sets the length property on constructorInfo.[[Closure]]. ]
+      b. Let F be constructorInfo.[[Closure]].
+      [...]
+    25. For each ClassElement e of elements, do
+      a. If IsStatic of e is false, then [...]
+      b. Else,
+        i. Let field be ClassElementEvaluation of e with arguments F and false.
+           [ This overwrites the length property on F. ]
+features: [generators]
+---*/
+
+class A {
+  static method() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+  static length() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+}
+
+assert.sameValue(typeof A.length, 'function');
+
+var attr = 'length';
+class B {
+  static [attr]() {
+    throw new Test262Error(
+      'Static method defined via computed property should not be executed ' +
+      'during definition'
+    );
+  }
+}
+
+assert.sameValue(typeof B.length, 'function');
+
+var isDefined = false;
+class C {
+  static get length() {
+    if (isDefined) {
+      return 'pass';
+    }
+    throw new Test262Error('Static `get` accessor should not be executed during definition');
+  }
+}
+
+isDefined = true;
+assert.sameValue(C.length, 'pass');
+
+class D {
+  static set length(_) {
+    throw new Test262Error('Static `set` accessor should not be executed during definition');
+  }
+}
+
+assert.sameValue(D.length, undefined);
+
+class E {
+  static *length() {
+    throw new Test262Error('Static GeneratorMethod should not be executed during definition');
+  }
+}
+
+assert.sameValue(typeof E.length, 'function');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-get.js b/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-get.js
new file mode 100644
index 0000000000..8d329f0de5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-get.js
@@ -0,0 +1,65 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 14.3.9
+description: Assignment of function `name` attribute ("get" accessor)
+info: |
+    MethodDefinition : get PropertyName ( ) { FunctionBody }
+
+    [...]
+    8. Perform SetFunctionName(closure, propKey, "get").
+includes: [propertyHelper.js]
+features: [Symbol]
+---*/
+
+var namedSym = Symbol('test262');
+var anonSym = Symbol();
+var getter;
+
+class A {
+  get id() {}
+  get [anonSym]() {}
+  get [namedSym]() {}
+  static get id() {}
+  static get [anonSym]() {}
+  static get [namedSym]() {}
+}
+
+getter = Object.getOwnPropertyDescriptor(A.prototype, 'id').get;
+assert.sameValue(getter.name, 'get id');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+getter = Object.getOwnPropertyDescriptor(A.prototype, anonSym).get;
+assert.sameValue(getter.name, 'get ');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+getter = Object.getOwnPropertyDescriptor(A.prototype, namedSym).get;
+assert.sameValue(getter.name, 'get [test262]');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+getter = Object.getOwnPropertyDescriptor(A, 'id').get;
+assert.sameValue(getter.name, 'get id');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+getter = Object.getOwnPropertyDescriptor(A, anonSym).get;
+assert.sameValue(getter.name, 'get ');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+getter = Object.getOwnPropertyDescriptor(A, namedSym).get;
+assert.sameValue(getter.name, 'get [test262]');
+verifyNotEnumerable(getter, 'name');
+verifyNotWritable(getter, 'name');
+verifyConfigurable(getter, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-set.js b/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-set.js
new file mode 100644
index 0000000000..22d97ca844
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-accessor-set.js
@@ -0,0 +1,66 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 14.3.9
+description: Assignment of function `name` attribute ("set" accessor)
+info: |
+    MethodDefinition :
+        set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    [...]
+    7. Perform SetFunctionName(closure, propKey, "set").
+includes: [propertyHelper.js]
+features: [Symbol]
+---*/
+
+var namedSym = Symbol('test262');
+var anonSym = Symbol();
+var setter;
+
+class A {
+  set id(_) {}
+  set [anonSym](_) {}
+  set [namedSym](_) {}
+  static set id(_) {}
+  static set [anonSym](_) {}
+  static set [namedSym](_) {}
+}
+
+setter = Object.getOwnPropertyDescriptor(A.prototype, 'id').set;
+assert.sameValue(setter.name, 'set id');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+setter = Object.getOwnPropertyDescriptor(A.prototype, anonSym).set;
+assert.sameValue(setter.name, 'set ');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+setter = Object.getOwnPropertyDescriptor(A.prototype, namedSym).set;
+assert.sameValue(setter.name, 'set [test262]');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+setter = Object.getOwnPropertyDescriptor(A, 'id').set;
+assert.sameValue(setter.name, 'set id');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+setter = Object.getOwnPropertyDescriptor(A, anonSym).set;
+assert.sameValue(setter.name, 'set ');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+setter = Object.getOwnPropertyDescriptor(A, namedSym).set;
+assert.sameValue(setter.name, 'set [test262]');
+verifyNotEnumerable(setter, 'name');
+verifyNotWritable(setter, 'name');
+verifyConfigurable(setter, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-gen-method.js b/js/src/tests/test262/language/statements/class/definition/fn-name-gen-method.js
new file mode 100644
index 0000000000..f6bb4781af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-gen-method.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 14.4.13
+description: >
+    Assignment of function `name` attribute (GeneratorMethod)
+info: |
+    GeneratorMethod :
+        * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    [...]
+    9. Perform SetFunctionName(closure, propKey).
+includes: [propertyHelper.js]
+features: [generators, Symbol]
+---*/
+
+var namedSym = Symbol('test262');
+var anonSym = Symbol();
+
+class A {
+  *id() {}
+  *[anonSym]() {}
+  *[namedSym]() {}
+  static *id() {}
+  static *[anonSym]() {}
+  static *[namedSym]() {}
+}
+
+assert.sameValue(A.prototype.id.name, 'id', 'via IdentifierName');
+verifyNotEnumerable(A.prototype.id, 'name');
+verifyNotWritable(A.prototype.id, 'name');
+verifyConfigurable(A.prototype.id, 'name');
+
+assert.sameValue(A.prototype[anonSym].name, '', 'via anonymous Symbol');
+verifyNotEnumerable(A.prototype[anonSym], 'name');
+verifyNotWritable(A.prototype[anonSym], 'name');
+verifyConfigurable(A.prototype[anonSym], 'name');
+
+assert.sameValue(A.prototype[namedSym].name, '[test262]', 'via Symbol');
+verifyNotEnumerable(A.prototype[namedSym], 'name');
+verifyNotWritable(A.prototype[namedSym], 'name');
+verifyConfigurable(A.prototype[namedSym], 'name');
+
+assert.sameValue(A.id.name, 'id', 'static via IdentifierName');
+verifyNotEnumerable(A.id, 'name');
+verifyNotWritable(A.id, 'name');
+verifyConfigurable(A.id, 'name');
+
+assert.sameValue(A[anonSym].name, '', 'static via anonymous Symbol');
+verifyNotEnumerable(A[anonSym], 'name');
+verifyNotWritable(A[anonSym], 'name');
+verifyConfigurable(A[anonSym], 'name');
+
+assert.sameValue(A[namedSym].name, '[test262]', 'static via Symbol');
+verifyNotEnumerable(A[namedSym], 'name');
+verifyNotWritable(A[namedSym], 'name');
+verifyConfigurable(A[namedSym], 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-method.js b/js/src/tests/test262/language/statements/class/definition/fn-name-method.js
new file mode 100644
index 0000000000..f01641f5c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-method.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 12.2.6.9
+description: Assignment of function `name` attribute (MethodDefinition)
+info: |
+    6. If IsAnonymousFunctionDefinition(AssignmentExpression) is true, then
+       a. Let hasNameProperty be HasOwnProperty(propValue, "name").
+       b. ReturnIfAbrupt(hasNameProperty).
+       c. If hasNameProperty is false, perform SetFunctionName(propValue,
+          propKey).
+includes: [propertyHelper.js]
+features: [Symbol]
+---*/
+
+var namedSym = Symbol('test262');
+var anonSym = Symbol();
+
+class A {
+  id() {}
+  [anonSym]() {}
+  [namedSym]() {}
+  static id() {}
+  static [anonSym]() {}
+  static [namedSym]() {}
+}
+
+assert.sameValue(A.prototype.id.name, 'id', 'via IdentifierName');
+verifyNotEnumerable(A.prototype.id, 'name');
+verifyNotWritable(A.prototype.id, 'name');
+verifyConfigurable(A.prototype.id, 'name');
+
+assert.sameValue(A.prototype[anonSym].name, '', 'via anonymous Symbol');
+verifyNotEnumerable(A.prototype[anonSym], 'name');
+verifyNotWritable(A.prototype[anonSym], 'name');
+verifyConfigurable(A.prototype[anonSym], 'name');
+
+assert.sameValue(A.prototype[namedSym].name, '[test262]', 'via Symbol');
+verifyNotEnumerable(A.prototype[namedSym], 'name');
+verifyNotWritable(A.prototype[namedSym], 'name');
+verifyConfigurable(A.prototype[namedSym], 'name');
+
+assert.sameValue(A.id.name, 'id', 'static via IdentifierName');
+verifyNotEnumerable(A.id, 'name');
+verifyNotWritable(A.id, 'name');
+verifyConfigurable(A.id, 'name');
+
+assert.sameValue(A[anonSym].name, '', 'static via anonymous Symbol');
+verifyNotEnumerable(A[anonSym], 'name');
+verifyNotWritable(A[anonSym], 'name');
+verifyConfigurable(A[anonSym], 'name');
+
+assert.sameValue(A[namedSym].name, '[test262]', 'static via Symbol');
+verifyNotEnumerable(A[namedSym], 'name');
+verifyNotWritable(A[namedSym], 'name');
+verifyConfigurable(A[namedSym], 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence-order.js b/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence-order.js
new file mode 100644
index 0000000000..b9e64a64b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence-order.js
@@ -0,0 +1,71 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Function `name` attribute not inferred in presence of static `name` method
+info: |
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    14. If constructor is empty, then [...]
+      b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent).
+    15. Else, [...]
+      d. Perform ! SetFunctionName(F, className).
+    25. For each ClassElement e of elements, do
+      a. If IsStatic of e is false, then [...]
+      b. Else,
+        i. Let field be ClassElementEvaluation of e with arguments F and false.
+           [ This overwrites the name property on F. ]
+includes: [compareArray.js]
+features: [generators]
+---*/
+
+class A {
+  static method() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+  static name() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(A), ['length', 'name', 'prototype', 'method'])
+
+var attr = 'name';
+class B {
+  static [attr]() {
+    throw new Test262Error(
+      'Static method defined via computed property should not be executed ' +
+      'during definition'
+    );
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(B), ['length', 'name', 'prototype'])
+
+class C {
+  static get name() {
+    throw new Test262Error('Static `get` accessor should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(C), ['length', 'name', 'prototype'])
+
+class D {
+  static set name(_) {
+    throw new Test262Error('Static `set` accessor should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(D), ['length', 'name', 'prototype'])
+
+class E {
+  static *name() {
+    throw new Test262Error('Static GeneratorMethod should not be executed during definition');
+  }
+}
+
+assert.compareArray(Object.getOwnPropertyNames(E), ['length', 'name', 'prototype'])
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence.js b/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence.js
new file mode 100644
index 0000000000..0521ae7681
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/fn-name-static-precedence.js
@@ -0,0 +1,75 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Function `name` attribute not inferred in presence of static `name` method
+info: |
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    14. If constructor is empty, then [...]
+      b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent).
+    15. Else, [...]
+      d. Perform ! SetFunctionName(F, className).
+    25. For each ClassElement e of elements, do
+      a. If IsStatic of e is false, then [...]
+      b. Else,
+        i. Let field be ClassElementEvaluation of e with arguments F and false.
+           [ This overwrites the name property on F. ]
+features: [generators]
+---*/
+
+class A {
+  static method() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+  static name() {
+    throw new Test262Error('Static method should not be executed during definition');
+  }
+}
+
+assert.sameValue(typeof A.name, 'function');
+
+var attr = 'name';
+class B {
+  static [attr]() {
+    throw new Test262Error(
+      'Static method defined via computed property should not be executed ' +
+      'during definition'
+    );
+  }
+}
+
+assert.sameValue(typeof B.name, 'function');
+
+var isDefined = false;
+class C {
+  static get name() {
+    if (isDefined) {
+      return 'pass';
+    }
+    throw new Test262Error('Static `get` accessor should not be executed during definition');
+  }
+}
+
+isDefined = true;
+assert.sameValue(C.name, 'pass');
+
+class D {
+  static set name(_) {
+    throw new Test262Error('Static `set` accessor should not be executed during definition');
+  }
+}
+
+assert.sameValue(D.name, undefined);
+
+class E {
+  static *name() {
+    throw new Test262Error('Static GeneratorMethod should not be executed during definition');
+  }
+}
+
+assert.sameValue(typeof E.name, 'function');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/getters-non-configurable-err.js b/js/src/tests/test262/language/statements/class/definition/getters-non-configurable-err.js
new file mode 100644
index 0000000000..90745ff901
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/getters-non-configurable-err.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+es6id: 14.3.9
+description: Failure to define property for static method
+info: |
+  [...]
+  9. Let desc be the PropertyDescriptor{[[Get]]: closure, [[Enumerable]]:
+     enumerable, [[Configurable]]: true}.
+  10. Return ? DefinePropertyOrThrow(object, propKey, desc). 
+features: [generators]
+---*/
+
+assert.throws(TypeError, function() {
+  class C { static get ['prototype']() {} }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/getters-prop-desc.js b/js/src/tests/test262/language/statements/class/definition/getters-prop-desc.js
new file mode 100644
index 0000000000..f541118067
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/getters-prop-desc.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+es6id: 14.5
+description: Class methods - "get" accessors
+includes: [propertyHelper.js]
+---*/
+
+function assertGetterDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  verifyNotEnumerable(object, name);
+  verifyConfigurable(object, name);
+  assert.sameValue(typeof desc.get, 'function', "`typeof desc.get` is `'function'`");
+  assert.sameValue('prototype' in desc.get, false, "The result of `'prototype' in desc.get` is `false`");
+  assert.sameValue(desc.set, undefined, "The value of `desc.set` is `undefined`");
+}
+
+class C {
+  get x() { return 1; }
+  static get staticX() { return 2; }
+  get y() { return 3; }
+  static get staticY() { return 4; }
+}
+
+assert.sameValue(new C().x, 1, "The value of `new C().x` is `1`. Defined as `get x() { return 1; }`");
+assert.sameValue(C.staticX, 2, "The value of `C.staticX` is `2`. Defined as `static get staticX() { return 2; }`");
+assert.sameValue(new C().y, 3, "The value of `new C().y` is `3`. Defined as `get y() { return 3; }`");
+assert.sameValue(C.staticY, 4, "The value of `C.staticY` is `4`. Defined as `static get staticY() { return 4; }`");
+
+assertGetterDescriptor(C.prototype, 'x');
+assertGetterDescriptor(C.prototype, 'y');
+assertGetterDescriptor(C, 'staticX');
+assertGetterDescriptor(C, 'staticY');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/getters-restricted-ids.js b/js/src/tests/test262/language/statements/class/definition/getters-restricted-ids.js
new file mode 100644
index 0000000000..ab41252801
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/getters-restricted-ids.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class getters 2
+---*/
+class C {
+  get eval() {
+    return 1;
+  }
+  get arguments() {
+    return 2;
+  }
+  static get eval() {
+    return 3;
+  }
+  static get arguments() {
+    return 4;
+  }
+};
+
+assert.sameValue(new C().eval, 1, "The value of `new C().eval` is `1`");
+assert.sameValue(new C().arguments, 2, "The value of `new C().arguments` is `2`");
+assert.sameValue(C.eval, 3, "The value of `C.eval` is `3`");
+assert.sameValue(C.arguments, 4, "The value of `C.arguments` is `4`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/implicit-constructor.js b/js/src/tests/test262/language/statements/class/definition/implicit-constructor.js
new file mode 100644
index 0000000000..1d9d689c48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/implicit-constructor.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class implicit constructor
+---*/
+class C {}
+var c = new C();
+assert.sameValue(
+    Object.getPrototypeOf(c),
+    C.prototype,
+    "`Object.getPrototypeOf(c)` returns `C.prototype`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/invalid-extends.js b/js/src/tests/test262/language/statements/class/definition/invalid-extends.js
new file mode 100644
index 0000000000..3bd1f15781
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/invalid-extends.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class invalid extends
+---*/
+assert.throws(TypeError, function() {
+  class C extends 42 {}
+});
+
+assert.throws(TypeError, function() {
+  // Function but its .prototype is not null or a function.
+  class C extends Math.abs {}
+});
+
+assert.throws(TypeError, function() {
+  Math.abs.prototype = 42;
+  class C extends Math.abs {}
+});
+delete Math.abs.prototype;
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-body.js b/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-body.js
new file mode 100644
index 0000000000..36930de14e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-body.js
@@ -0,0 +1,27 @@
+// |reftest| async
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: >
+  Super calls work in body of async methods
+flags: [async]
+features: [async-functions]
+---*/
+class A {
+  async method() {
+    return 'sup';
+  }
+}
+
+class B extends A {
+  async method() {
+    var x = await super.method();
+    assert.sameValue(x, 'sup');
+  }
+}
+var child = new B();
+child.method().then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-param.js b/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-param.js
new file mode 100644
index 0000000000..a2ca86be8d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-async-super-call-param.js
@@ -0,0 +1,26 @@
+// |reftest| async
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: pending
+description: >
+  Super calls work in the parameter list of async methods
+flags: [async]
+features: [async-functions]
+---*/
+
+class A {
+  async method() {
+    return 'sup';
+  }
+}
+
+class B extends A {
+  async method(x = super.method()) {
+    assert.sameValue(await x, 'sup');
+  }
+}
+var child = new B();
+child.method().then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-no-yield.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-no-yield.js
new file mode 100644
index 0000000000..8979af1c48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-no-yield.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      Generators declared with GeneratorMethod syntax do not require a
+      `yield` expression.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var result;
+class A {
+  *foo(a) {}
+}
+
+result = A.prototype.foo(3).next();
+
+assert.sameValue(result.value, undefined);
+assert.sameValue(result.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-return.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-return.js
new file mode 100644
index 0000000000..06d4d4cddb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-return.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `return` is a valid statement within generator function bodies.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var result;
+class A {
+  *g1() { return; }
+  *g2() { return 1; }
+}
+
+result = A.prototype.g1().next();
+assert.sameValue(result.value, undefined);
+assert.sameValue(result.done, true);
+
+result = A.prototype.g2().next();
+assert.sameValue(result.value, 1);
+assert.sameValue(result.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-with-rhs.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-with-rhs.js
new file mode 100644
index 0000000000..953152207c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-with-rhs.js
@@ -0,0 +1,120 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a valid expression within generator function bodies.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g1() { (yield 1) }
+  *g2() { [yield 1] }
+  *g3() { {yield 1} }
+  *g4() { yield 1, yield 2; }
+  *g5() { (yield 1) ? yield 2 : yield 3; }
+}
+
+iter = A.prototype.g1();
+result = iter.next();
+assert.sameValue(result.value, 1, 'Within grouping operator: result `value`');
+assert.sameValue(
+  result.done, false, 'Within grouping operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following grouping operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following grouping operator: result `done` flag'
+);
+
+iter = A.prototype.g2();
+result = iter.next();
+assert.sameValue(result.value, 1, 'Within array literal: result `value`');
+assert.sameValue(
+  result.done, false, 'Within array literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following array literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following array literal: result `done` flag'
+);
+
+iter = A.prototype.g3();
+result = iter.next();
+assert.sameValue(result.value, 1, 'Within object literal: result `value`');
+assert.sameValue(
+  result.done, false, 'Within object literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following object literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following object literal: result `done` flag'
+);
+
+iter = A.prototype.g4();
+result = iter.next();
+assert.sameValue(
+  result.value, 1, 'First expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'First expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, 2, 'Second expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Second expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following comma expression: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following comma expression: result `done` flag'
+);
+
+iter = A.prototype.g5();
+result = iter.next();
+assert.sameValue(
+  result.value,
+  1,
+  'Conditional expression in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Conditional expression in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value,
+  3,
+  'Branch in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Branch in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following conditional operator: result `done` flag'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js
new file mode 100644
index 0000000000..b42c406358
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js
@@ -0,0 +1,130 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a valid expression within generator function bodies.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g1() { (yield) }
+  *g2() { [yield] }
+  *g3() { {yield} }
+  *g4() { yield, yield; }
+  *g5() { (yield) ? yield : yield; }
+}
+
+iter = A.prototype.g1();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within grouping operator: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within grouping operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following grouping operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following grouping operator: result `done` flag'
+);
+
+iter = A.prototype.g2();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within array literal: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within array literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following array literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following array literal: result `done` flag'
+);
+
+iter = A.prototype.g3();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within object literal: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within object literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following object literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following object literal: result `done` flag'
+);
+
+iter = A.prototype.g4();
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'First expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'First expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Second expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Second expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following comma expression: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following comma expression: result `done` flag'
+);
+
+iter = A.prototype.g5();
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Conditional expression in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Conditional expression in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Branch in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Branch in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following conditional operator: result `done` flag'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-function-expression-binding-identifier.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-function-expression-binding-identifier.js
new file mode 100644
index 0000000000..40ef23222f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-function-expression-binding-identifier.js
@@ -0,0 +1,22 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` may not be used as the binding identifier of a function
+      expression within classes.
+  features: [generators]
+  es6id: 14.1
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g() {
+    (function yield() {});
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-generator-method-binding-identifier.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-generator-method-binding-identifier.js
new file mode 100644
index 0000000000..6f0dfff5a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-generator-method-binding-identifier.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a valid BindingIdentifier for GeneratorMethods outside of
+      strict mode.
+  features: [generators]
+  es6id: 12.1.1
+---*/
+
+var iter, result;
+class A {
+  *yield() { (yield 3) + (yield 4); }
+}
+
+iter = A.prototype.yield();
+
+result = iter.next();
+assert.sameValue(result.value, 3, 'First result `value`');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, 4, 'Second result `value`');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, undefined, 'Third result `value`');
+assert.sameValue(result.done, true, 'Third result `done` flag');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-identifier-in-nested-function.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-identifier-in-nested-function.js
new file mode 100644
index 0000000000..eb35c7cb3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-identifier-in-nested-function.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a reserved keyword within normal function bodies declared
+      within classes.
+  features: [generators]
+  es6id: 12.1.1
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g() {
+    function h() {
+      yield = 1;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-literal-property-name.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-literal-property-name.js
new file mode 100644
index 0000000000..ce60db6fb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-literal-property-name.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` may be used as a literal property name in an object literal
+      within generator function bodies.
+  features: [generators]
+  es6id: 12.1.1
+---*/
+
+var result;
+class A {
+  *g() {
+    ({ get yield() { return 1 } });
+  }
+}
+
+result = A.prototype.g().next();
+assert.sameValue(result.value, undefined);
+assert.sameValue(result.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-logical-or-expression.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-logical-or-expression.js
new file mode 100644
index 0000000000..5edac93178
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-logical-or-expression.js
@@ -0,0 +1,21 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` expressions are not LogicalOrExpressions.
+  features: [generators]
+  es6id: 12.1.1
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g() {
+    yield ? yield : yield;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-parameter.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-parameter.js
new file mode 100644
index 0000000000..f4cf062cf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-parameter.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a reserved keyword within generator function bodies and may
+      not be used as the binding identifier of a parameter.
+  features: [generators]
+  es6id: 12.1.1
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g(yield) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-property-name.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-property-name.js
new file mode 100644
index 0000000000..60f99d9b29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-property-name.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` may be used as a literal property name in an object literal
+      within generator function bodies.
+  features: [generators]
+  es6id: 12.1.1
+---*/
+
+var result;
+class A {
+  *g() {
+    ({  yield: 1 });
+  }
+}
+
+result = A.prototype.g().next();
+assert.sameValue(result.value, undefined);
+assert.sameValue(result.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-statement.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-statement.js
new file mode 100644
index 0000000000..605fc0f6fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-statement.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a valid statement within generator function bodies.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g1() { yield; }
+  *g2() { yield 1; }
+}
+
+iter = A.prototype.g1();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Without right-hand-side: first result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Without right-hand-side: first result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Without right-hand-side: second result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Without right-hand-eside: second result `done` flag'
+);
+
+iter = A.prototype.g2();
+result = iter.next();
+assert.sameValue(
+  result.value, 1, 'With right-hand-side: first result `value`'
+);
+assert.sameValue(
+  result.done, false, 'With right-hand-side: first result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'With right-hand-side: second result `value`'
+);
+assert.sameValue(
+  result.done, true, 'With right-hand-eside: second result `done` flag'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-yield-operand.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-yield-operand.js
new file mode 100644
index 0000000000..a440f04d0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-yield-operand.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` expressions may be used as the right-hand-side of other `yield`
+      expressions.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g() {
+    yield yield 1;
+  }
+}
+
+iter = A.prototype.g();
+
+result = iter.next();
+assert.sameValue(result.value, 1, 'First result `value`');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, undefined, 'Second result `value`');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, undefined, 'Third result `value`');
+assert.sameValue(result.done, true, 'Thid result `done` flag');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-newline.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-newline.js
new file mode 100644
index 0000000000..b2f23da27d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-newline.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      Newlines terminate `yield` expressions.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g() {
+    yield
+    1
+  }
+}
+
+iter = A.prototype.g();
+
+result = iter.next();
+assert.sameValue(result.value, undefined, 'First result `value`');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, undefined, 'Second result `value`');
+assert.sameValue(result.done, true, 'Second result `done` flag');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-after-newline.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-after-newline.js
new file mode 100644
index 0000000000..ca1913c00a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-after-newline.js
@@ -0,0 +1,22 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      A newline may not precede the `*` token in a `yield` expression.
+  features: [generators]
+  es6id: 14.4
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g() {
+    yield
+    * 1
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-before-newline.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-before-newline.js
new file mode 100644
index 0000000000..bc68cbbdb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-star-before-newline.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      The right-hand side of a `yield *` expression may appear on a new line.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var result;
+class A {
+  *g() {
+    yield *
+    g2()
+  }
+}
+var g2 = function*() {};
+
+result = A.prototype.g().next();
+assert.sameValue(result.value, undefined);
+assert.sameValue(result.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-weak-binding.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-weak-binding.js
new file mode 100644
index 0000000000..0c2f54376a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-weak-binding.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` expressions bind weakly
+  features: [generators]
+  es6id: 14.4
+  negative:
+    phase: parse
+    type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class A {
+  *g() { yield 3 + yield 4; }
+}
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-named-eval-arguments.js b/js/src/tests/test262/language/statements/class/definition/methods-named-eval-arguments.js
new file mode 100644
index 0000000000..bb99527117
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-named-eval-arguments.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class methods 2
+---*/
+class C {
+  eval() {
+    return 1;
+  }
+  arguments() {
+    return 2;
+  }
+  static eval() {
+    return 3;
+  }
+  static arguments() {
+    return 4;
+  }
+};
+
+assert.sameValue(new C().eval(), 1, "`new C().eval()` returns `1`");
+assert.sameValue(new C().arguments(), 2, "`new C().arguments()` returns `2`");
+assert.sameValue(C.eval(), 3, "`C.eval()` returns `3`");
+assert.sameValue(C.arguments(), 4, "`C.arguments()` returns `4`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-restricted-properties.js b/js/src/tests/test262/language/statements/class/definition/methods-restricted-properties.js
new file mode 100644
index 0000000000..f01bb2a643
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-restricted-properties.js
@@ -0,0 +1,106 @@
+// Copyright (C) 2015 Caitlin Potter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Functions created using MethodDefinition syntactic form do not have own
+    properties "caller" or "arguments", but inherit them from
+    %FunctionPrototype%.
+es6id: 16.1
+---*/
+
+class Class {
+  method() {}
+  get accessor() {}
+  set accessor(x) {}
+};
+
+var instance = new Class;
+var accessor = Object.getOwnPropertyDescriptor(Class.prototype, "accessor");
+
+assert.sameValue(
+  instance.method.hasOwnProperty('caller'),
+  false,
+  'No "caller" own property (method)'
+);
+assert.sameValue(
+  instance.method.hasOwnProperty('arguments'),
+  false,
+  'No "arguments" own property (method)'
+);
+assert.sameValue(
+  accessor.get.hasOwnProperty('caller'),
+  false,
+  'No "caller" own property ("get" accessor)'
+);
+assert.sameValue(
+  accessor.get.hasOwnProperty('arguments'),
+  false,
+  'No "arguments" own property ("get" accessor)'
+);
+assert.sameValue(
+  accessor.set.hasOwnProperty('caller'),
+  false,
+  'No "caller" own property ("set" accessor)'
+);
+assert.sameValue(
+  accessor.set.hasOwnProperty('arguments'),
+  false,
+  'No "arguments" own property ("set" accessor)'
+);
+
+// --- Test method restricted properties throw
+
+assert.throws(TypeError, function() {
+  return instance.method.caller;
+});
+
+assert.throws(TypeError, function() {
+  instance.method.caller = {};
+});
+
+assert.throws(TypeError, function() {
+  return instance.method.arguments;
+});
+
+assert.throws(TypeError, function() {
+  instance.method.arguments = {};
+});
+
+// --- Test getter restricted properties throw
+
+assert.throws(TypeError, function() {
+  return accessor.get.caller;
+});
+
+assert.throws(TypeError, function() {
+  accessor.get.caller = {};
+});
+
+assert.throws(TypeError, function() {
+  return accessor.get.arguments;
+});
+
+assert.throws(TypeError, function() {
+  accessor.get.arguments = {};
+});
+
+// --- Test setter restricted properties throw
+
+assert.throws(TypeError, function() {
+  return accessor.set.caller;
+});
+
+assert.throws(TypeError, function() {
+  accessor.set.caller = {};
+});
+
+assert.throws(TypeError, function() {
+  return accessor.set.arguments;
+});
+
+assert.throws(TypeError, function() {
+  accessor.set.arguments = {};
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/methods.js b/js/src/tests/test262/language/statements/class/definition/methods.js
new file mode 100644
index 0000000000..66ad98189a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class methods
+---*/
+function assertMethodDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assert.sameValue(desc.writable, true, "The value of `desc.writable` is `true`");
+  assert.sameValue(typeof desc.value, 'function', "`typeof desc.value` is `'function'`");
+  assert.sameValue('prototype' in desc.value, false, "The result of `'prototype' in desc.value` is `false`");
+}
+
+class C {
+  method() { return 1; }
+  static staticMethod() { return 2; }
+  method2() { return 3; }
+  static staticMethod2() { return 4; }
+}
+
+assertMethodDescriptor(C.prototype, 'method');
+assertMethodDescriptor(C.prototype, 'method2');
+assertMethodDescriptor(C, 'staticMethod');
+assertMethodDescriptor(C, 'staticMethod2');
+
+assert.sameValue(new C().method(), 1, "`new C().method()` returns `1`. Defined as `method() { return 1; }`");
+assert.sameValue(C.staticMethod(), 2, "`C.staticMethod()` returns `2`. Defined as `static staticMethod() { return 2; }`");
+assert.sameValue(new C().method2(), 3, "`new C().method2()` returns `3`. Defined as `method2() { return 3; }`");
+assert.sameValue(C.staticMethod2(), 4, "`C.staticMethod2()` returns `4`. Defined as `static staticMethod2() { return 4; }`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/numeric-property-names.js b/js/src/tests/test262/language/statements/class/definition/numeric-property-names.js
new file mode 100644
index 0000000000..f974c11a88
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/numeric-property-names.js
@@ -0,0 +1,65 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class numeric property names
+---*/
+function assertMethodDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assert.sameValue(desc.writable, true, "The value of `desc.writable` is `true`");
+  assert.sameValue(typeof desc.value, 'function', "`typeof desc.value` is `'function'`");
+  assert.sameValue('prototype' in desc.value, false, "The result of `'prototype' in desc.value` is `false`");
+}
+
+function assertGetterDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assert.sameValue(typeof desc.get, 'function', "`typeof desc.get` is `'function'`");
+  assert.sameValue('prototype' in desc.get, false, "The result of `'prototype' in desc.get` is `false`");
+  assert.sameValue(desc.set, undefined, "The value of `desc.set` is `undefined`");
+}
+
+function assertSetterDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assert.sameValue(typeof desc.set, 'function', "`typeof desc.set` is `'function'`");
+  assert.sameValue('prototype' in desc.set, false, "The result of `'prototype' in desc.set` is `false`");
+  assert.sameValue(desc.get, undefined, "The value of `desc.get` is `undefined`");
+}
+
+class B {
+  1() { return 1; }
+  get 2() { return 2; }
+  set 3(_) {}
+
+  static 4() { return 4; }
+  static get 5() { return 5; }
+  static set 6(_) {}
+}
+
+assertMethodDescriptor(B.prototype, '1');
+assertGetterDescriptor(B.prototype, '2');
+assertSetterDescriptor(B.prototype, '3');
+
+assertMethodDescriptor(B, '4');
+assertGetterDescriptor(B, '5');
+assertSetterDescriptor(B, '6');
+
+class C extends B {
+  1() { return super[1](); }
+  get 2() { return super[2]; }
+  static 4() { return super[4](); }
+  static get 5() { return super[5]; }
+}
+
+assert.sameValue(new C()[1](), 1, "`new C()[1]()` returns `1`. Defined as `1() { return super[1](); }`");
+assert.sameValue(new C()[2], 2, "The value of `new C()[2]` is `2`. Defined as `get 2() { return super[2]; }`");
+assert.sameValue(C[4](), 4, "`C[4]()` returns `4`. Defined as `static 4() { return super[4](); }`");
+assert.sameValue(C[5], 5, "The value of `C[5]` is `5`. Defined as `static get 5() { return super[5]; }`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/prototype-getter.js b/js/src/tests/test262/language/statements/class/definition/prototype-getter.js
new file mode 100644
index 0000000000..cbfe6ac1b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/prototype-getter.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class prototype getter
+---*/
+var calls = 0;
+var Base = function() {}.bind();
+Object.defineProperty(Base, 'prototype', {
+  get: function() {
+    calls++;
+    return null;
+  },
+  configurable: true
+});
+class C extends Base {}
+assert.sameValue(calls, 1, "The value of `calls` is `1`");
+
+calls = 0;
+Object.defineProperty(Base, 'prototype', {
+  get: function() {
+    calls++;
+    return 42;
+  },
+  configurable: true
+});
+assert.throws(TypeError, function() {
+  class C extends Base {}
+});
+assert.sameValue(calls, 1, "The value of `calls` is `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/prototype-property.js b/js/src/tests/test262/language/statements/class/definition/prototype-property.js
new file mode 100644
index 0000000000..1c9110ca04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/prototype-property.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class prototype property
+---*/
+class C {}
+var descr = Object.getOwnPropertyDescriptor(C, 'prototype');
+assert.sameValue(descr.configurable, false, "The value of `descr.configurable` is `false`");
+assert.sameValue(descr.enumerable, false, "The value of `descr.enumerable` is `false`");
+assert.sameValue(descr.writable, false, "The value of `descr.writable` is `false`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/prototype-setter.js b/js/src/tests/test262/language/statements/class/definition/prototype-setter.js
new file mode 100644
index 0000000000..f6618c5a9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/prototype-setter.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class prototype setter
+---*/
+var Base = function() {}.bind();
+Object.defineProperty(Base, 'prototype', {
+  set: function() {
+    throw new Test262Error("Cannot create a setter property named `prototype`");
+  }
+});
+assert.throws(TypeError, function() {
+  class C extends Base {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/prototype-wiring.js b/js/src/tests/test262/language/statements/class/definition/prototype-wiring.js
new file mode 100644
index 0000000000..608bde0586
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/prototype-wiring.js
@@ -0,0 +1,75 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class prototype wiring
+---*/
+
+class Base {
+  constructor(x) {
+    this.foobar = x;
+  }
+}
+
+class Subclass extends Base {
+  constructor(x) {
+    super(x);
+  }
+}
+
+var s = new Subclass(1);
+assert.sameValue(s.foobar, 1, "The value of `s.foobar` is `1`");
+assert.sameValue(
+  Object.getPrototypeOf(s),
+  Subclass.prototype,
+  "`Object.getPrototypeOf(s)` returns `Subclass.prototype`"
+);
+
+var s1 = new Subclass(1, 2);
+assert.sameValue(s1.foobar, 1, "The value of `s1.foobar` is `1`");
+assert.sameValue(
+  Object.getPrototypeOf(s1) === Subclass.prototype,
+  true,
+  "The result of `Object.getPrototypeOf(s1) === Subclass.prototype` is `true`"
+);
+
+var s2 = new Subclass();
+assert.sameValue(s2.foobar, undefined, "The value of `s2.foobar` is `undefined`");
+assert.sameValue(
+  Object.getPrototypeOf(s2),
+  Subclass.prototype,
+  "`Object.getPrototypeOf(s2)` returns `Subclass.prototype`"
+);
+assert.throws(TypeError, function() { Subclass(1); });
+assert.throws(TypeError, function() { Subclass(1,2,3,4); });
+
+class Subclass2 extends Subclass {
+  constructor() {
+    super(5, 6, 7);
+  }
+}
+
+var ss2 = new Subclass2();
+assert.sameValue(ss2.foobar, 5, "The value of `ss2.foobar` is `5`");
+assert.sameValue(
+  Object.getPrototypeOf(ss2),
+  Subclass2.prototype,
+  "`Object.getPrototypeOf(ss2)` returns `Subclass2.prototype`"
+);
+
+class Subclass3 extends Base {
+  constructor(x, y) {
+    super(x + y);
+  }
+}
+
+var ss3 = new Subclass3(27,42-27);
+assert.sameValue(ss3.foobar, 42, "The value of `ss3.foobar` is `42`");
+assert.sameValue(
+  Object.getPrototypeOf(ss3),
+  Subclass3.prototype,
+  "`Object.getPrototypeOf(ss3)` returns `Subclass3.prototype`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/setters-non-configurable-err.js b/js/src/tests/test262/language/statements/class/definition/setters-non-configurable-err.js
new file mode 100644
index 0000000000..69e2dac8e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/setters-non-configurable-err.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+es6id: 14.3.9
+description: Failure to define property for static method
+info: |
+  [...]
+  8. Let desc be the PropertyDescriptor{[[Set]]: closure, [[Enumerable]]:
+     enumerable, [[Configurable]]: true}.
+  9. Return ? DefinePropertyOrThrow(object, propKey, desc). 
+features: [generators]
+---*/
+
+assert.throws(TypeError, function() {
+  class C { static set ['prototype'](_) {} }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/setters-prop-desc.js b/js/src/tests/test262/language/statements/class/definition/setters-prop-desc.js
new file mode 100644
index 0000000000..46b2e0a3c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/setters-prop-desc.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+es6id: 14.5
+description: Class methods - "set" accessors
+includes: [propertyHelper.js]
+---*/
+
+function assertSetterDescriptor(object, name) {
+  var descr = Object.getOwnPropertyDescriptor(object, name);
+  verifyNotEnumerable(object, name);
+  verifyConfigurable(object, name);
+  assert.sameValue(typeof descr.set, 'function', "`typeof descr.set` is `'function'`");
+  assert.sameValue('prototype' in descr.set, false, "The result of `'prototype' in descr.set` is `false`");
+  assert.sameValue(descr.get, undefined, "The value of `descr.get` is `undefined`");
+}
+
+var x, staticX, y, staticY;
+class C {
+  set x(v) { x = v; }
+  static set staticX(v) { staticX = v; }
+  set y(v) { y = v; }
+  static set staticY(v) { staticY = v; }
+}
+
+assert.sameValue(new C().x = 1, 1, "`new C().x = 1` is `1`");
+assert.sameValue(x, 1, "The value of `x` is `1`");
+assert.sameValue(C.staticX = 2, 2, "`C.staticX = 2` is `2`");
+assert.sameValue(staticX, 2, "The value of `staticX` is `2`");
+assert.sameValue(new C().y = 3, 3, "`new C().y = 3` is `3`");
+assert.sameValue(y, 3, "The value of `y` is `3`");
+assert.sameValue(C.staticY = 4, 4, "`C.staticY = 4` is `4`");
+assert.sameValue(staticY, 4, "The value of `staticY` is `4`");
+
+assertSetterDescriptor(C.prototype, 'x');
+assertSetterDescriptor(C.prototype, 'y');
+assertSetterDescriptor(C, 'staticX');
+assertSetterDescriptor(C, 'staticY');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/setters-restricted-ids.js b/js/src/tests/test262/language/statements/class/definition/setters-restricted-ids.js
new file mode 100644
index 0000000000..9e2e3c69b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/setters-restricted-ids.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class setters 2
+---*/
+var x = 0;
+class C {
+  set eval(v) {
+    x = v;
+  }
+  set arguments(v) {
+    x = v;
+  }
+  static set eval(v) {
+    x = v;
+  }
+  static set arguments(v) {
+    x = v;
+  }
+};
+
+new C().eval = 1;
+assert.sameValue(x, 1, "The value of `x` is `1`");
+new C().arguments = 2;
+assert.sameValue(x, 2, "The value of `x` is `2`");
+C.eval = 3;
+assert.sameValue(x, 3, "The value of `x` is `3`");
+C.arguments = 4;
+assert.sameValue(x, 4, "The value of `x` is `4`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/shell.js b/js/src/tests/test262/language/statements/class/definition/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/shell.js
diff --git a/js/src/tests/test262/language/statements/class/definition/side-effects-in-extends.js b/js/src/tests/test262/language/statements/class/definition/side-effects-in-extends.js
new file mode 100644
index 0000000000..bdbd255ef9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/side-effects-in-extends.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class side effect in extends
+---*/
+var calls = 0;
+class C {}
+class D extends (calls++, C) {}
+assert.sameValue(calls, 1, "The value of `calls` is `1`");
+assert.sameValue(typeof D, 'function', "`typeof D` is `'function'`");
+assert.sameValue(Object.getPrototypeOf(D), C, "`Object.getPrototypeOf(D)` returns `C`");
+assert.sameValue(
+    C.prototype,
+    Object.getPrototypeOf(D.prototype),
+    "The value of `C.prototype` is `Object.getPrototypeOf(D.prototype)`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/side-effects-in-property-define.js b/js/src/tests/test262/language/statements/class/definition/side-effects-in-property-define.js
new file mode 100644
index 0000000000..616797b19b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/side-effects-in-property-define.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class side effects in property define
+---*/
+function B() {}
+B.prototype = {
+  constructor: B,
+  set m(v) {
+    throw Error();
+  }
+};
+
+class C extends B {
+  m() { return 1; }
+}
+
+assert.sameValue(new C().m(), 1, "`new C().m()` returns `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/this-access-restriction-2.js b/js/src/tests/test262/language/statements/class/definition/this-access-restriction-2.js
new file mode 100644
index 0000000000..e1f855aa1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/this-access-restriction-2.js
@@ -0,0 +1,90 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class this access restriction 2
+---*/
+class Base {
+  constructor(a, b) {
+    var o = new Object();
+    o.prp = a + b;
+    return o;
+  }
+}
+
+class Subclass extends Base {
+  constructor(a, b) {
+    var exn;
+    try {
+      this.prp1 = 3;
+    } catch (e) {
+      exn = e;
+    }
+    assert.sameValue(
+      exn instanceof ReferenceError,
+      true,
+      "The result of `exn instanceof ReferenceError` is `true`"
+    );
+    super(a, b);
+    assert.sameValue(this.prp, a + b, "The value of `this.prp` is `a + b`");
+    assert.sameValue(this.prp1, undefined, "The value of `this.prp1` is `undefined`");
+    assert.sameValue(
+      this.hasOwnProperty("prp1"),
+      false,
+      "`this.hasOwnProperty(\"prp1\")` returns `false`"
+    );
+    return this;
+  }
+}
+
+var b = new Base(1, 2);
+assert.sameValue(b.prp, 3, "The value of `b.prp` is `3`");
+
+
+var s = new Subclass(2, -1);
+assert.sameValue(s.prp, 1, "The value of `s.prp` is `1`");
+assert.sameValue(s.prp1, undefined, "The value of `s.prp1` is `undefined`");
+assert.sameValue(
+  s.hasOwnProperty("prp1"),
+  false,
+  "`s.hasOwnProperty(\"prp1\")` returns `false`"
+);
+
+class Subclass2 extends Base {
+  constructor(x) {
+    super(1,2);
+
+    if (x < 0) return;
+
+    var called = false;
+    function tmp() { called = true; return 3; }
+    var exn = null;
+    try {
+      super(tmp(),4);
+    } catch (e) { exn = e; }
+    assert.sameValue(
+      exn instanceof ReferenceError,
+      true,
+      "The result of `exn instanceof ReferenceError` is `true`"
+    );
+    assert.sameValue(called, true, "The value of `called` is `true`");
+  }
+}
+
+var s2 = new Subclass2(1);
+assert.sameValue(s2.prp, 3, "The value of `s2.prp` is `3`");
+
+var s3 = new Subclass2(-1);
+assert.sameValue(s3.prp, 3, "The value of `s3.prp` is `3`");
+
+assert.throws(TypeError, function() { Subclass.call(new Object(), 1, 2); });
+assert.throws(TypeError, function() { Base.call(new Object(), 1, 2); });
+
+class BadSubclass extends Base {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() { new BadSubclass(); });
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/this-access-restriction.js b/js/src/tests/test262/language/statements/class/definition/this-access-restriction.js
new file mode 100644
index 0000000000..ce13e6a343
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/this-access-restriction.js
@@ -0,0 +1,100 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class this access restriction
+---*/
+class Base {}
+(function() {
+  class C extends Base {
+    constructor() {
+      var y;
+      super();
+    }
+  }; new C();
+}());
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super(this.x);
+    }
+  }; new C();
+});
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super(this);
+    }
+  }; new C();
+});
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super.method();
+      super(this);
+    }
+  }; new C();
+});
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super(super.method());
+    }
+  }; new C();
+});
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super(super());
+    }
+  }; new C();
+});
+assert.throws(ReferenceError, function() {
+  class C extends Base {
+    constructor() {
+      super(1, 2, Object.getPrototypeOf(this));
+    }
+  }; new C();
+});
+(function() {
+  class C extends Base {
+    constructor() {
+      { super(1, 2); }
+    }
+  }; new C();
+}());
+(function() {
+  class C extends Base {
+    constructor() {
+      if (1) super();
+    }
+  }; new C();
+}());
+
+class C1 extends Object {
+  constructor() {
+    'use strict';
+    super();
+  }
+};
+new C1();
+
+class C2 extends Object {
+  constructor() {
+    ; 'use strict';;;;;
+    super();
+  }
+};
+new C2();
+
+class C3 extends Object {
+  constructor() {
+    ; 'use strict';;;;;
+    // This is a comment.
+    super();
+  }
+};
+new C3();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/definition/this-check-ordering.js b/js/src/tests/test262/language/statements/class/definition/this-check-ordering.js
new file mode 100644
index 0000000000..c7f867db9b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/this-check-ordering.js
@@ -0,0 +1,72 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class this check ordering
+---*/
+var baseCalled = 0;
+class Base {
+  constructor() { baseCalled++ }
+}
+
+var fCalled = 0;
+function f() { fCalled++; return 3; }
+
+class Subclass1 extends Base {
+  constructor() {
+    baseCalled = 0;
+    super();
+    assert.sameValue(baseCalled, 1, "The value of `baseCalled` is `1`");
+    var obj = this;
+
+    var exn = null;
+    baseCalled = 0;
+    fCalled = 0;
+    try {
+      super(f());
+    } catch (e) { exn = e; }
+    assert.sameValue(
+      exn instanceof ReferenceError,
+      true,
+      "The result of `exn instanceof ReferenceError` is `true`"
+    );
+    assert.sameValue(fCalled, 1, "The value of `fCalled` is `1`");
+    assert.sameValue(baseCalled, 1, "The value of `baseCalled` is `1`");
+    assert.sameValue(this, obj, "`this` is `obj`");
+
+    exn = null;
+    baseCalled = 0;
+    fCalled = 0;
+    try {
+      super(super(), f());
+    } catch (e) { exn = e; }
+    assert.sameValue(
+      exn instanceof ReferenceError,
+      true,
+      "The result of `exn instanceof ReferenceError` is `true`"
+    );
+    assert.sameValue(fCalled, 0, "The value of `fCalled` is `0`");
+    assert.sameValue(baseCalled, 1, "The value of `baseCalled` is `1`");
+    assert.sameValue(this, obj, "`this` is `obj`");
+
+    exn = null;
+    baseCalled = 0;
+    fCalled = 0;
+    try {
+      super(f(), super());
+    } catch (e) { exn = e; }
+    assert.sameValue(
+      exn instanceof ReferenceError,
+      true,
+      "The result of `exn instanceof ReferenceError` is `true`"
+    );
+    assert.sameValue(fCalled, 1, "The value of `fCalled` is `1`");
+    assert.sameValue(baseCalled, 1, "The value of `baseCalled` is `1`");
+    assert.sameValue(this, obj, "`this` is `obj`");
+  }
+}
+
+new Subclass1();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..e52d69ed69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..ce97457026
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+
+class C {
+  async *method([x, y, z]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..8c57224e66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-get-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+
+class C {
+  async *method([x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..171bf0f296
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-init-iter-no-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..60999d9c15
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-name-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..5b9c858723
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..e05a3010b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[7, 8, 9]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..d428628e0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..58ea24c4a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..4a26167874
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  async *method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..d64ac8883f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async *method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[23]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..9bb20c8f84
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..41e2ce249d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async *method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([values]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..29f41a0e69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Nested array destructuring with a null value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+
+class C {
+  async *method([[x]]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..0540907fe6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..04ec410fa8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..a29b23a43c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..63a66a6cb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..67cb08e087
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..901fc42146
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..601e2a9aab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer with a "hole" (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([,]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..42ee26b072
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([null, 0, false, '']).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..4c3b3bd5d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+
+class C {
+  async *method([x = (function() { throw new Test262Error(); })()]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..113dd7e7f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer with an undefined value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([undefined]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..516c834aaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method([ x = unresolvableReference ]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..bb03bdbfb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..1d2e7bbc2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..c8c823b57d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+
+class C {
+  async *method([x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..ea17e8512f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..402298502a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  async *method([x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..c2f1cfafea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..553277bde1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..5f738e9357
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..6a1328ba7e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..61f05a2259
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..9ab8b92d34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Nested object destructuring with a null value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  async *method([{ x }]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..2b20e89eac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  async *method([{ x }]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..a1bdac3020
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Elision accepts exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  async *method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..457de21945
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision-step-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+
+class C {
+  async *method([,]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..1a0920e99f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-elision.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Elision advances iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..b6566e2cc3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-empty.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async *method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..e81767de0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([3, 4, 5]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..36d6da2178
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing an elision (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..8b2e2fa166
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async *method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..9b47ffc1c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing a rest element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..7e6b33b674
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Lone rest element (direct binding) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..34e0f7161c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+
+class C {
+  async *method([, ...x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..0478749315
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  async *method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..9eb02b9a14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..da9cbda40a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+
+class C {
+  async *method([...x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..0f712cf9a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  async *method([...x]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..de0c817075
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Lone rest element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..ae4025e39e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..1580c8310f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..fe3880a2ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..2c40934196
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..f395919c5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..b219be6368
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..cebed99c3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..f7f49a5be4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  async *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([7, 8, 9]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..162eed1127
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..d41a8fb1cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+
+class C {
+  async *method([x, y, z] = [1, 2, 3]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..ee58f513d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+
+class C {
+  async *method([x] = iter) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..11213ed108
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..e8da6e9f22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..0602357580
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..f7493c1180
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..75dd18901f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..14942f4890
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..6c43533ffd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  async *method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..352754eab3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async *method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..e73fcb966e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..d58b98598d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async *method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..03d238b882
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Nested array destructuring with a null value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+
+class C {
+  async *method([[x]] = [null]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..cd8c161d4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..f248fca743
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..66e035212e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..991e23bbe3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..0dafa09666
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..48511b4b87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..2c51f84ac0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..45821f3294
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..03f6cdc031
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+
+class C {
+  async *method([x = (function() { throw new Test262Error(); })()] = [undefined]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..9b5f181940
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..e8c67667bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method([ x = unresolvableReference ] = []) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..3e98ff9928
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..98a2baabf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..1e7f455700
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+
+class C {
+  async *method([x] = g) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..16b17212d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..a987cf315e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  async *method([x] = g) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..78272a3339
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..c58596ee46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..b8c9f3d8cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..1e5abee4af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..f038e24eab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..772a6879cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Nested object destructuring with a null value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  async *method([{ x }] = [null]) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..daa4ea3751
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  async *method([{ x }] = []) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..7c1991dfef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  async *method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..ea6fa2a080
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+
+class C {
+  async *method([,] = iter) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..ec98123e8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Elision advances iterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..e2c7870d7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async *method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..939ac76037
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..2e91589278
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing an elision (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async *method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..0e1604370d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async *method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..699583754c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing a rest element (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..96b68d3ba9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..58f7007841
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+
+class C {
+  async *method([, ...x] = iter) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..edeca7938f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  async *method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..1e6aa07f19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..3a06c3ab1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+
+class C {
+  async *method([...x] = iter) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..0e17ed2e5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  async *method([...x] = iter) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..cb89a4f210
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Lone rest element (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async *method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..c4c17626e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..7da673cbb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..87425aff6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..dd2194eac3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..40f347b7b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..cd23b30fc7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async *method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..94876d16fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..8ce08c2a48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  async *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-null.js
new file mode 100644
index 0000000000..5fc3947140
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-null.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  async *method({} = null) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..6502002000
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-init-undefined.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  async *method({} = undefined) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..6248fd6ef2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  async *method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..26412acd49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  async *method({ poisoned } = poisonedProperty) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..18991eefac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..162576df10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..4332321b44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e43bb913bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..eb045be12f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..8f568a542c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..cf7056ea20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ x = thrower() } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..5a564f7bec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method({ x = unresolvableReference } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..10b50bcb3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..1b6bff73a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ a, b = thrower(), c = ++initCount } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..64dbf4c15e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..e04be13381
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..441f6e316c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..de82c9e44c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..6faf6b9799
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ [thrower()]: x } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..658645d003
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  async *method({ poisoned: x = ++initEvalCount } = poisonedProperty) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..2f026aa34c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..22bdd6f755
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ x: y = thrower() } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..d6890f7930
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method({ x: y = unresolvableReference } = {}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..dc09c1a1dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..c3eb6f0665
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..22354b9a40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..0f0870753a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..e451ff0189
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..142c493f7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: { x, y, z } = undefined } = { }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..91b9319bf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..2d58553a9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  async *method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..63103c4019
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  async *method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..f9764b2671
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-null.js
new file mode 100644
index 0000000000..a9e32f626b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-null.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  async *method({}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-undefined.js
new file mode 100644
index 0000000000..325cc00c3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-init-undefined.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  async *method({}) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..d1e1606f13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-empty.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  async *method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..ae3744f57d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  async *method({ poisoned }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..96fa1aa0cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..83429e1d61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..e35fd0a17c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..19e34a34c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..d5105aee06
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..cd15b40515
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..2e9f281940
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ x = thrower() }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..ef6e4e26ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method({ x = unresolvableReference }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..3d4614787b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..139a9d575e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-list-err.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ a, b = thrower(), c = ++initCount }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..5d4a2b7024
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..20c2f315a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: [45] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..50e63756bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..0c74e8bdb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: [7, undefined, ] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..4b4c336319
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ [thrower()]: x }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..5959bd5a73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  async *method({ poisoned: x = ++initEvalCount }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..969a368938
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..7419a220df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  async *method({ x: y = thrower() }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..f513d7dd05
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  async *method({ x: y = unresolvableReference }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(ReferenceError, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..b5117c66e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..8a94cff2f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..4a3f8f7e97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-id.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Binding as specified via property name and identifier (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..fc8be8bf01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: undefined }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..d0f6f94b3b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..7afbbc89dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  async *method({ w: { x, y, z } = undefined }) {
+    
+  }
+};
+
+var method = C.prototype.method;
+
+assert.throws(TypeError, function() {
+  method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..8f14e47aef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..e89218806a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  async *method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..18fce78018
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  async *method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(o).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..420b69863e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth.template
+/*---
+description: Rest object contains just unextracted data (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async *method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..264fc3650d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..83ff3cd622
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+
+class C {
+  static async *method([x, y, z]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..f1e480eb36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-get-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+
+class C {
+  static async *method([x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..0ba8cda8be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..be0ded9375
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-name-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..b4a1c05177
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..3b672fa971
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[7, 8, 9]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..1291b8a61e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..22cf0bb1fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..fdd08e13de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  static async *method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..4c7b96ebf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[23]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..1e83aea613
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..a994c08eec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([values]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..92bccd2f19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Nested array destructuring with a null value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+
+class C {
+  static async *method([[x]]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..db48fb18f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..f91dae6afe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..9883c8793f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..e2b5985794
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e9e958075a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..4075c26454
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..df73e759f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method([,]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..8033b54a51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([null, 0, false, '']).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..669f46c9ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+
+class C {
+  static async *method([x = (function() { throw new Test262Error(); })()]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..38590711d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([undefined]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..ab2486d02b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method([ x = unresolvableReference ]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..e997bec484
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..8fb843e1b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..7c66ed8916
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+
+class C {
+  static async *method([x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..adc51fd8f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..8bbff5b802
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  static async *method([x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..28164141f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..962c02103c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..fc3fd08746
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..391f6c9d92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..608cdcf3b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..890afb4b54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Nested object destructuring with a null value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  static async *method([{ x }]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..1ae4b3664c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  static async *method([{ x }]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..28bdcce3ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  static async *method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..15e7202f5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision-step-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+
+class C {
+  static async *method([,]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..0c8b703d37
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elision.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Elision advances iterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..af51f844c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-empty.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async *method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..f77842eeb4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([3, 4, 5]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..f0694f6b25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing an elision (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..19a9ba4bdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..9d13583ead
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing a rest element (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..a3d0749da5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Lone rest element (direct binding) (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..b46b9a32e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+
+class C {
+  static async *method([, ...x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..fed54ab1bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  static async *method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..0a7695bfd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..ae5b780a95
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+
+class C {
+  static async *method([...x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..0cb5f53348
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  static async *method([...x]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..2943babe60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Lone rest element (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..929395eb1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..237f12a497
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..ede5a1ca14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..137caddb0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..a10ff3f23c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..c9049f79f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..daa530dcb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..51cc05ad01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method([7, 8, 9]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..99b3888c2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..26fbf0cc9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+
+class C {
+  static async *method([x, y, z] = [1, 2, 3]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..5c964493d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+
+class C {
+  static async *method([x] = iter) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..289080308e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..ac1539d0cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..bb4beb7f09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..706041e007
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..68ef8dc464
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..2bd89a1a65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..f9731d8045
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  static async *method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..2b6f2152b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..7a04459d6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..35c05296a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..b4501ed495
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Nested array destructuring with a null value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+
+class C {
+  static async *method([[x]] = [null]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..28e8e79396
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..2d255dd6d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..77a3266c18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..92478e1c91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..cbd6d5e978
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..ebe90e587b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..5ca980671f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..a25d3f4972
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..2b2adac10f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+
+class C {
+  static async *method([x = (function() { throw new Test262Error(); })()] = [undefined]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..6c7bf940b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..2a2a0086eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method([ x = unresolvableReference ] = []) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..f090a1a837
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..5988258232
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..e7224906ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+
+class C {
+  static async *method([x] = g) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..6f5ec9b021
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..82883f7c68
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  static async *method([x] = g) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..f0a07fe7e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..896f137ef1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..1c6909db21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..5ba5d0ca8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..15691fb960
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..cff11ddcd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a null value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  static async *method([{ x }] = [null]) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..bb9dd84eaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+
+class C {
+  static async *method([{ x }] = []) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..aa97ecd0c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  static async *method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..81eda9cb2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+
+class C {
+  static async *method([,] = iter) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..d2f0237750
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..d401a805b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async *method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..ecda6d24ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..10c59b812a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,96 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async *method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..2f30bb2ef3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..09707435a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..e537cff630
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..423e11010b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,67 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+
+class C {
+  static async *method([, ...x] = iter) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..00869aaa8c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  static async *method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..b0abbbe2af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..0ae2c20d79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+
+class C {
+  static async *method([...x] = iter) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..ae31b2d57d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+
+class C {
+  static async *method([...x] = iter) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..5b589769a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async *method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..44044f3eb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..1f4ef2d193
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..69208aad8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..3bcc910267
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..ec1fa94da8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..0a29490a51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..20c1d49c0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..a4b95d0178
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  static async *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-null.js
new file mode 100644
index 0000000000..f7d708093b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-null.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  static async *method({} = null) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..fce7b7bca5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-init-undefined.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  static async *method({} = undefined) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..8fa75e42e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  static async *method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..55ed81fa09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  static async *method({ poisoned } = poisonedProperty) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..2cff36cace
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..cdbd26b9f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..5708745091
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..a96d8af870
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..af20584145
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..ca6e9dcd51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..d2b1224a33
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ x = thrower() } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..0d19825c5e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method({ x = unresolvableReference } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..0d6894ecc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..03cba933f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ a, b = thrower(), c = ++initCount } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..ef3df6831a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..bd79302bf9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..9ecc524d73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..3188294db9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..86a97070e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ [thrower()]: x } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..0f81e66f30
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  static async *method({ poisoned: x = ++initEvalCount } = poisonedProperty) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..d2451af9dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..19a9bae376
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ x: y = thrower() } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..d7991065a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method({ x: y = unresolvableReference } = {}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..0c37300bc1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..c1d6d17e58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..a0230cf9c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..073fa8b160
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..01294eb59d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..98d4fb877a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: { x, y, z } = undefined } = { }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..2eb83ddd26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..1699c9ccce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..76b2c8c842
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  static async *method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..194ab1b44d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-null.js
new file mode 100644
index 0000000000..4a6f5b4aa4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-null.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  static async *method({}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-undefined.js
new file mode 100644
index 0000000000..ac8d57a607
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-init-undefined.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+
+class C {
+  static async *method({}) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..ce0ebbb71e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-empty.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  static async *method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..1d626564fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  static async *method({ poisoned }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..9b0b599f1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..9dc36e1874
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..0e684035fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..d635b0ce41
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..533c81af0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..03b6e64266
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..1dcc2f6b66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ x = thrower() }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..fe893ae967
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method({ x = unresolvableReference }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..89465e0b5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..61738dde65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-list-err.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ a, b = thrower(), c = ++initCount }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..6f1defad0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..b558efeed2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: [45] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..282fd957f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..2df85585ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: [7, undefined, ] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..a4148bacb8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ [thrower()]: x }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..5f461c108c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+
+class C {
+  static async *method({ poisoned: x = ++initEvalCount }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..def869a0ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..b7e27bc6e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,68 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+
+class C {
+  static async *method({ x: y = thrower() }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(Test262Error, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..e7a8ab369a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+
+class C {
+  static async *method({ x: y = unresolvableReference }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(ReferenceError, function() {
+  method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..ce52efd73e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..c6d8e8be1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..64293ac1a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..3c7522b6a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: undefined }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..ae4da3648a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..cc6e3d1357
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+class C {
+  static async *method({ w: { x, y, z } = undefined }) {
+    
+  }
+};
+
+var method = C.method;
+
+assert.throws(TypeError, function() {
+  method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..3d2294027f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..38dcd2d773
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  static async *method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ get v() { count++; return 2; } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..5143f9a9f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  static async *method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method(o).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..5ebfa1d74f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: Rest object contains just unextracted data (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async *method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..19a24ded09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..03e28fa087
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-init-iter-no-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..410e8902a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-name-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..5b9050bf5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..41844de008
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[7, 8, 9]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..5520244e7d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..8d993e9bbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..9fde66c362
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  async * #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..cb066b1376
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[23]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..dd12f44406
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..20b151978e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([values]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..5496a30304
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..6a3470a3fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..2ca0c5e3e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..529e0a93b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..c06b4c9979
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..7dd6dfa167
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..b352098f81
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([,]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..3f9c1bcec0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([null, 0, false, '']).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..0c3ab10e36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([undefined]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..bff211d1be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..c8b73f1cd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..78b68a7461
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..c28800c85e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..622a8bd8c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..e00fd0737f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..1efefe8023
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..17fa349cc0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..9329d9ee2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Elision accepts exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  async * #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..59ddb2ba59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-elision.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Elision advances iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..127a9cf0a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-empty.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async * #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..1763b65583
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,94 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([3, 4, 5]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..7b5a1d1863
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing an elision (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..bf6b4a50a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..f2d040c084
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing a rest element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..996e20e05f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Lone rest element (direct binding) (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..7a70484532
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element following elision elements (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  async * #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..babfadc7ea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..3cf9745d9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Lone rest element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..8173c0d217
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..8e5b3fc77f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..d885c8e0d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..575416a727
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..644df958f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..61b0792d2e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..177f8bd1f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..1a3bd5ce97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([7, 8, 9]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..e7802751a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..4d8454731f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..aa340a7755
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..52852c8b6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..e567750f7e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..40f784086a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..c1b2f5da1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..b68b78d842
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  async * #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..9d94e82d62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..9abfa99a2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..b8c1f86af1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..904198433c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..7a25e06852
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..00bdef46f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..6c0f3b4422
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..f81e864f80
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..4bb0e06d85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..3f519190a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..fc2aa2375b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..a79633a795
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..6fb0aed962
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..fcad842088
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..b48b5f926e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..d549b378de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..77dfeffcc9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..4afeb42775
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..a8ca812ea5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..e93618201b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..0a9e02aaac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  async * #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..679d0d7712
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Elision advances iterator (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..ccb5fe4d87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async * #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..fec42478c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,94 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..fd6a038345
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an elision (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  async * #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..0ac607d8f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..d45f6b8ae1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing a rest element (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..74daeb06a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..b8518cd2f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  async * #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..b0cae39208
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..16fd9b9b2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Lone rest element (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  async * #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..908d9daf18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..b9ab976e1e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..6c7606de6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..1aa6beda6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..de0c49ee6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..0087343fe4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..b2fe912932
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..ca4df07606
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  async * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..6cfe0efc2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  async * #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..7210a2fc8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..b5e1486c4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..0a179ba8f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..b7922da54b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..41bee58fde
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..2dc7b1da97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..658536a8ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..8f487d0075
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..3039764b91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..1f1ac22b38
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..767b3ca69f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..2bb4af2d67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..bcf99d52d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..5ef002c189
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..94b88cef28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..67a318fdee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..fe3c5ffc6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..442f06f168
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  async * #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..e5c559f729
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (private class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..61d4d48861
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-empty.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  async * #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..50f6297ec2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..e9948991f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2f21f174da
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..f75b183ff7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..92a1366562
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..96c193c3ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..244c353400
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..d6c07d1864
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..e0dda00e3f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: [45] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..297066a35a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: [7, undefined, ] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..903b371b5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..665d55bc64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..5aad3d9a13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..5cad542b70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Binding as specified via property name and identifier (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..3037b1934a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: undefined }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..c1fa963d96
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..054aef19b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  async * #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..46cda116e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  async * #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(o).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..240351f74b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Rest object contains just unextracted data (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  async * #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..66a972d383
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..fd7ebdf0c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..9abdc616de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-name-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..bb2ba2f067
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..84915cb853
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[7, 8, 9]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..8dc61c0f97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..3bd83f8ad1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..028c11548f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  static async * #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..81e33ffeba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[23]]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..f79eb67627
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..e5487f3f69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([values]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..e206146701
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..36f5c9b13d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..9f59830c46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..61b74f9d51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..c55a90eebb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..5d212cdf6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..2239a72507
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([,]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..4bb0151085
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([null, 0, false, '']).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..536c0b3e27
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([undefined]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..24bc7cc81d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..35dc2af10b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..b019de73d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..8c0f250c87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..0e4dc249a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..a7bcfa0be6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..f925a3978f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..572361b5b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..23311821c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  static async * #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..55759400ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-elision.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Elision advances iterator (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..432da14434
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-empty.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async * #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..808fe116ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,94 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([3, 4, 5]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..95d2e48743
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing an elision (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g()).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..2682225934
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..35c78d5e2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing a rest element (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..ada04375e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Lone rest element (direct binding) (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..a55d278363
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element following elision elements (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  static async * #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..bc1e06fd64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..5edb8a8c64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Lone rest element (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..fdad69769b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..1273c42bbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..7d95130a27
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..ba3efaaed1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..8def309cf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..af8f46ec29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..e582e00655
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..2138358f15
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([7, 8, 9]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..28a6af3211
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..81970976b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..da5e4e4d2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..6e23720a1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..2669c6b221
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..1968c9e22a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..dfa634b0d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..d5ebfdf456
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+
+var callCount = 0;
+class C {
+  static async * #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..5fea8f88b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..1ae393ea4a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..931019587f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..d447402f19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..56d87f8a92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..f649f6ef50
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..0a3e35af26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..2cf6c7f89e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..b284579b73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..936674029a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..28f90531cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..1df59acff9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..e7a12e886f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..53b706eabc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..311051b6a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..4173a19f99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,81 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..b0678e4e9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..246b8f2e77
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..092e48c799
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..e4f6807b5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..afa632e671
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+
+var callCount = 0;
+class C {
+  static async * #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..526a289070
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..e2ecdcd8cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async * #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..8ee224c8b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,94 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..fb1fdb9163
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..6e8d7be1f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..b6e5e406eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..704abfad48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..57c15a4170
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+
+var callCount = 0;
+class C {
+  static async * #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..d5ce0307a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..865ebc51dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..a4d551ad4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..98737ae8b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..75c51f5725
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..56c522be3d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..15a5482253
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..8dd17cbcf7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,69 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..e5f5eb8a37
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..a7b3375013
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+
+var callCount = 0;
+class C {
+  static async * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..ea9d36dbfe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  static async * #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..eb613df976
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..f00a43e200
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..1f39ccad4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e3392ea16d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..224933e9a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..c43913f345
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..2de5d499be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..6ad473ebd5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..d37273c692
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..f3f8e4c585
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..73805697a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..d6ddc3b435
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..f503d2b36b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..cfdbe14355
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..a3e3b63c78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..a02754ce1e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..329ab3412a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..2e16bc72fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  static async * #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..6b4fa0c5a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (private static class expression async generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..9da9ee901e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-empty.js
@@ -0,0 +1,71 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+
+var callCount = 0;
+class C {
+  static async * #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(obj).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..91af8421c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..c29cb50aba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..c3548fc2f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..c872338099
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..29c6cb6d02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,74 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..57c11c9ec8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..2e804c4278
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..7de01e3581
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..69df272711
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: [45] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..d4641d51cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: [7, undefined, ] }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..84cdb306de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  static async * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..9adc2a6838
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..8bcc12a4e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..af2601e576
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,69 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..2686a72d90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: undefined }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..f0a49a842f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,73 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..0590d88ed6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,68 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var count = 0;
+
+
+var callCount = 0;
+class C {
+  static async * #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ get v() { count++; return 2; } }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..913b83b81a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+
+var callCount = 0;
+class C {
+  static async * #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(o).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..d88e0414db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth-static.template
+/*---
+description: Rest object contains just unextracted data (private static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+---*/
+
+
+var callCount = 0;
+class C {
+  static async * #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3}).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/dstr/browser.js b/js/src/tests/test262/language/statements/class/dstr/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/browser.js
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..60f8762b99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  *method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..6d109041dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  *method([x, y, z]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..7a49a318e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-get-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  *method([x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..f8168190de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-init-iter-no-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  *method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..6e007890ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-name-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..e900afa05e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..ebb9072276
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[7, 8, 9]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..e7a6728f0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..38e712609c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..d8fb02b065
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  *method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..7da1531868
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  *method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[23]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..89e570be58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  *method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..7358b4b9a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  *method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([values]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..45d18bbfdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Nested array destructuring with a null value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  *method([[x]]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..e925049d88
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..a968f65793
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..3325408c54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2210300270
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..620b3f4c83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..5437fef254
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..905c2fddeb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer with a "hole" (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([,]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..2874fe472b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([null, 0, false, '']).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..e5b20512dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  *method([x = (function() { throw new Test262Error(); })()]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..bd91406569
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer with an undefined value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([undefined]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..d07e7e0581
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method([ x = unresolvableReference ]) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..36d8c27df3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..56f7eacfd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..e8d9e954bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  *method([x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..92185b6425
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..77431f912f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  *method([x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..392cc78b3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..f120020eca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..2551614b44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..eb07682d7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..765472dadd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..caf17f56d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Nested object destructuring with a null value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  *method([{ x }]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..9ecce046aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  *method([{ x }]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..8bd26ce047
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Elision accepts exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  *method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..bc284194bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision-step-err.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  *method([,]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..8a12b5b037
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-elision.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Elision advances iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..f3527a3f1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-empty.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  *method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..5b866bb28b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([3, 4, 5]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..bdee78b8b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing an elision (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..6c3f3e5c5f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  *method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..233928fd22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing a rest element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  *method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..a3b2f44b6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Lone rest element (direct binding) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..85b69a2327
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  *method([, ...x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..9f130353aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  *method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..3cd99f1515
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..07ea6817ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  *method([...x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..c472664e6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  *method([...x]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..7ad33056b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Lone rest element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  *method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..cbb298e900
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..49bb698e7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..1fa29db40a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..a9774c5ae3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..a7e5be6e6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..33c6f5c0f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..5479300a4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  *method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..64ebfbc9fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([7, 8, 9]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..cfcbe4ea69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  *method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..f348b2fc00
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  *method([x, y, z] = [1, 2, 3]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..ee72353d3b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  *method([x] = iter) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..9b23534760
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  *method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..88958102ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..9eacb9ef6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..48e49cf3a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..4d043eb182
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..886051a0d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..b092e8a660
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  *method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..9c9cc980fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  *method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..053f3d1efd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  *method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..58283e5804
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  *method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..03bc2d230c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Nested array destructuring with a null value (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  *method([[x]] = [null]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..b2098fed17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..7d23bbdcba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..5471431d8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..1828e71634
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..6f1642b4fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..0931a63e13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..e82a3df6cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..56e457f2e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..7bbc85e5fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  *method([x = (function() { throw new Test262Error(); })()] = [undefined]) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..eecfbf8d14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..6e7a339f33
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method([ x = unresolvableReference ] = []) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..68b2a5290a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..02d0772a78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..c617460958
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  *method([x] = g) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..f22588a401
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..aaad4685c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  *method([x] = g) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..2d7bf80199
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..2b462e3380
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..4722fe8d09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..16c9d00275
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..78c5ca1cfb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..0917834752
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Nested object destructuring with a null value (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  *method([{ x }] = [null]) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..fb34d8d82a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  *method([{ x }] = []) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..f5413c7c7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  *method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..bb7338d6d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  *method([,] = iter) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..d167145dd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Elision advances iterator (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..37f8dc6aec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  *method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..4fea96c065
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..48e9025589
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing an elision (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  *method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..dba39b1949
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  *method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..fa021d284b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing a rest element (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  *method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..6925899c92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..05387d8438
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  *method([, ...x] = iter) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..2f1298217e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  *method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..e99a2b7b0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..665fe77298
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  *method([...x] = iter) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..c94e0f6659
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  *method([...x] = iter) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..728e7a642e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Lone rest element (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  *method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..08ea4666b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..409d798503
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..3741aa88d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..8283c7463b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..e22718babc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..312d328db3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  *method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..25f0cb92f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  *method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..41427219bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-null.js
new file mode 100644
index 0000000000..4395e91747
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-null.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  *method({} = null) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..f115e339d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-init-undefined.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  *method({} = undefined) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..5c24f90ccf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  *method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..8c41bcb23a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  *method({ poisoned } = poisonedProperty) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..e99280252a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..bfd333f0e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..0065e7b980
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..177633fd22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..6bb67edddf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..d4c4876ade
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..b793663a73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ x = thrower() } = {}) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..00664b78a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method({ x = unresolvableReference } = {}) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..dba2e28897
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..3725990759
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ a, b = thrower(), c = ++initCount } = {}) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..e72f38564b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..bf00460a7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..0cd2840e41
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..74866111c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..904950e1e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ [thrower()]: x } = {}) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..c4e1c9db3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  *method({ poisoned: x = ++initEvalCount } = poisonedProperty) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..ac98760dd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,102 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..7dec62ce79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ x: y = thrower() } = {}) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..7692318e73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method({ x: y = unresolvableReference } = {}) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..4abf16cd7c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..97ab5b3fe7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..0aefdeec97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..9a92c631d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..9f19d4f352
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..4d1195bac2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: { x, y, z } = undefined } = { }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..5ff981ed8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..51409659a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  *method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..ad488f077c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  *method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..5d0d7432d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  *method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-null.js
new file mode 100644
index 0000000000..ad20c081cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-null.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  *method({}) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-undefined.js
new file mode 100644
index 0000000000..569d3cc1f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-init-undefined.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  *method({}) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..0e9aa3d97a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-empty.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  *method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(obj).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..05cfd3eeeb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  *method({ poisoned }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..3f6883e35e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..4fccb76131
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..815c048576
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..60773be254
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..01dd1f669f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  *method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..16a058c0d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..9a6a7a50aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-throws.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ x = thrower() }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..47b81f95bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method({ x = unresolvableReference }) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..bd77979097
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..546a5f8472
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-list-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ a, b = thrower(), c = ++initCount }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..7eb51afb83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..1628761752
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: [45] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..43b84378d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..b942628839
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: [7, undefined, ] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..9b9d37c223
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ [thrower()]: x }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..8b81f05740
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  *method({ poisoned: x = ++initEvalCount }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..ba0674aa04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,102 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..8f3618919e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  *method({ x: y = thrower() }) {}
+};
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..6dd3658aee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  *method({ x: y = unresolvableReference }) {}
+};
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..8eb689f206
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..6147800da2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..a0b0435795
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-id.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Binding as specified via property name and identifier (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  *method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..7adfb5287f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: undefined }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..38eb7c1859
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..d64dc82e19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  *method({ w: { x, y, z } = undefined }) {}
+};
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..3eb571e88b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..32c9e80a9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  *method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..20d9f89818
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  *method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(o).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..8d272c8273
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Rest object contains just unextracted data (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  *method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..3a3d91d039
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static *method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..a488358c5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  static *method([x, y, z]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..ec7bc1288e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-get-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  static *method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..f4e91c513d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static *method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..45b68377c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-name-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..7ad4563944
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..132ea0c923
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[7, 8, 9]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..9f72547316
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..40fcc2f144
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..64903ad17b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static *method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..c357654f9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static *method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[23]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..073749c71e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static *method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..08326bb80e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static *method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([values]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..0a3c9fad87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Nested array destructuring with a null value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  static *method([[x]]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..c8321ead6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..d2a9930873
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..c5ad7cdad5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..64adf969ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..f23d95c569
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..63abad2c3b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..345ca0e8f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method([,]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..98eac43502
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([null, 0, false, '']).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..7feef62677
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  static *method([x = (function() { throw new Test262Error(); })()]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..efccb8a3cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([undefined]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..004d863005
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method([ x = unresolvableReference ]) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..f36b552cfb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..0216f63489
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..a509bba319
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  static *method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..68860f3f69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..705a3a03f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static *method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..4f011e0701
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..1517c7038a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..1fb34c42e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..fcd72cd0b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..a5e71946c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..924beb7a1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Nested object destructuring with a null value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static *method([{ x }]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..60fc8fa75b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static *method([{ x }]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..dfd2b53f64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static *method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..62ddc8cbfc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision-step-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  static *method([,]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..c7250ca05c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-elision.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Elision advances iterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..f68b91f4b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-empty.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static *method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..166f67d6fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([3, 4, 5]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..7cf8377d43
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing an elision (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..6e73d5c0fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static *method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..4a6a2e7c35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing a rest element (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static *method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..8a107ed1c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Lone rest element (direct binding) (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..c5a89eb956
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  static *method([, ...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..719b55c61a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static *method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..6426ecf207
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..0990a7bafc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  static *method([...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..faab033428
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static *method([...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..8e7fdd3e98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Lone rest element (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static *method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..473e6eaa98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..bebffcfdbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..74137c3696
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..7820542366
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..71fc80a8ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..b3bd8c84a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..0e17d0f97b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..81820ac50b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method([7, 8, 9]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..c215d6656b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static *method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..911ef43eb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  static *method([x, y, z] = [1, 2, 3]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..1b7496d07c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  static *method([x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..51fdd14c5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static *method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..2469ff5c6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..da84e745df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..2c06f60599
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..3e317c4701
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..fc374e0f44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..a28746a7ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static *method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..70f13b13f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static *method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..8c758022e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static *method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..bea4026d96
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static *method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..d844c24475
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Nested array destructuring with a null value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  static *method([[x]] = [null]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..be61a9d8f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..383abd12c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..1ee19dc8e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..9b593d072b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..6d6b0a714f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..3d3cc773fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..908345bb13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..4db81f201a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..2fc460b448
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  static *method([x = (function() { throw new Test262Error(); })()] = [undefined]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..047af41234
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..c5f816ba20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method([ x = unresolvableReference ] = []) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..6160d0b401
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..44e4238e1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..1293c8a74c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  static *method([x] = g) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..522e14dd85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..709208fd61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static *method([x] = g) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..7618e04432
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..991e3c9bdc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..2867b76609
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..02ce6b0c0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..1a8b30b593
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..f051c6b331
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a null value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static *method([{ x }] = [null]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..a804b5eb17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static *method([{ x }] = []) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..eaf3c5f4dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static *method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..1d318233ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  static *method([,] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..41fa6cca35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..5a545c2c2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static *method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..709bf8f2d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..266b6e8faf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static *method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..56b39ef77e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static *method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..3d3c3f923b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static *method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..b6f3327a44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..bfa213cecf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  static *method([, ...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..d43cc7a748
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static *method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..4fac33c15f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..18d925e236
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  static *method([...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..0239380bc3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static *method([...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..12dde164e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static *method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..89fd8a30e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..40bb240d07
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..b24b90b955
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..4851b08cfb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..40f1add548
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..e325248831
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,82 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static *method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..76b85b23a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static *method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..b1a0dfae26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static *method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-null.js
new file mode 100644
index 0000000000..35e88231ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static *method({} = null) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..42a9e2a75e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-init-undefined.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static *method({} = undefined) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..ad1960b0b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static *method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..43a917c57c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static *method({ poisoned } = poisonedProperty) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..48944fc65b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..025bd7d90d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..662fb849d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..c636fd2d4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..9bbb3b06d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..b4b2787963
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..9739de71c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ x = thrower() } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..e25fb1b496
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method({ x = unresolvableReference } = {}) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..c7f99ae884
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..2bbdb4261d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ a, b = thrower(), c = ++initCount } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..26742762cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..bfa832e1d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..724095625c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..4277491363
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..873dc625c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ [thrower()]: x } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..55a6fea28c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static *method({ poisoned: x = ++initEvalCount } = poisonedProperty) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..668c518f36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,102 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..4036ce4dd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ x: y = thrower() } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..272edfbc99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method({ x: y = unresolvableReference } = {}) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..4a4b492bca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..346669cbd0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..b157c71677
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..4b929c3ca3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..a2b51e2f45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..62b845667a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: { x, y, z } = undefined } = { }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..aaf80b4764
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..f73c062841
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static *method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..07bc5f9764
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static *method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..f4f3d799c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static *method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-null.js
new file mode 100644
index 0000000000..2ef714fd6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static *method({}) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-undefined.js
new file mode 100644
index 0000000000..9e983ee2cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-init-undefined.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static *method({}) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..0cb56067ea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-empty.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static *method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(obj).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..e9185fa545
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static *method({ poisoned }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..87997fca05
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..7e6d35bc59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..21965c66b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..d7b1d4d2c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..44a81b541f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..83ff468f2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..d6e7e9e883
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ x = thrower() }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..0e27e7c683
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method({ x = unresolvableReference }) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..3b09a587ce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..248afa936c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-list-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ a, b = thrower(), c = ++initCount }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..1d8e2f1b5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..fdf2ab2476
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: [45] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..3ea5b90bc6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..88b59b373a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: [7, undefined, ] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..bfb43c4555
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ [thrower()]: x }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..6f70fc507a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static *method({ poisoned: x = ++initEvalCount }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..1d7a5f67f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,102 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static *method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..c9be76292d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static *method({ x: y = thrower() }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..3920ec1b93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static *method({ x: y = unresolvableReference }) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..648afc2365
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..e049b373cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..a444b24983
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..6dc29d04c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: undefined }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..6d5453ea3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..4af1f1ec0b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static *method({ w: { x, y, z } = undefined }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..50eb623cb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..3d02788c95
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static *method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ get v() { count++; return 2; } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..ceed609fce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static *method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method(o).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..a7bba684b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/gen-meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth-static.template
+/*---
+description: Rest object contains just unextracted data (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static *method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..005ab4212b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..3ea10b1bba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  method([x, y, z]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..f35ae02a6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-get-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  method([x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..ef34711a63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-init-iter-no-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..de708238d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-name-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..0ab7d31f63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..bff42e9ed6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[7, 8, 9]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..6664c608dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..d039d4a783
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..ea075f405c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..afaa677dfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([[23]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..0d70ed2f3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..973529fd11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([values]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..17ecd68f3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Nested array destructuring with a null value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  method([[x]]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..f646aeeb91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..386cf5f99a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..cbb022ae7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..3ff3b6d099
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..cf77ae9bb8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..d5d602bcac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..ffc7ee9150
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer with a "hole" (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([,]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..e42b431c4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([null, 0, false, '']);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..5d64c1244c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  method([x = (function() { throw new Test262Error(); })()]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..d637e61223
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer with an undefined value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([undefined]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..4e2298f444
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method([ x = unresolvableReference ]) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..ad42383ae3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..5104806e25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..cf3dfa6ef2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  method([x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..14d0ad72ea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..96b3148560
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  method([x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..68833d503e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..6cbe47422c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..95650ac497
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..db9badd5e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..8304975b93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..7657d0414d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Nested object destructuring with a null value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  method([{ x }]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..df76a7f537
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  method([{ x }]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..46ac9945fc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Elision accepts exhausted iterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..ea26c3aaf7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision-step-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  method([,]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..94695ff321
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-elision.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Elision advances iterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..fef6b48e0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-empty.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..21cd0216f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([3, 4, 5]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..7522fe40c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing an elision (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..155abede58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..4bd1b7640c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing a rest element (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..88b8749969
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Lone rest element (direct binding) (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..aae9152dc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  method([, ...x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..c8e14a5038
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element following elision elements (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..36b68b678e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..4e8dbe5587
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  method([...x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..017032252e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  method([...x]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..2dd80d774b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Lone rest element (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..d2bc0a9903
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..996eec5e90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..388e6f26b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..2a6de08dfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..0ee09dfa59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..140b929319
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..a9a9252c74
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..a9d8735976
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest element containing an object binding pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method([7, 8, 9]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..d5fd2fde69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..7447e35f81
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  method([x, y, z] = [1, 2, 3]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..3e33190ed1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  method([x] = iter) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..4d2b4afbe3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..a750f1a5f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..b9a8aaa625
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..ed81931b07
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..18a060e4b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..ca7a23457d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..7557d56e0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..5a2e1e20f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..8106d4e1c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..d9739b0256
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..f52f2de2cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Nested array destructuring with a null value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  method([[x]] = [null]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..401917ddc4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..2880a9e9a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..127d3c4cc2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..9879ac042c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..8981ce4a2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..756deb15da
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..9e2d008c33
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..364f518c22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..636e8b17c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  method([x = (function() { throw new Test262Error(); })()] = [undefined]) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..0aa4f7af54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..5f3153fb69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method([ x = unresolvableReference ] = []) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..4c9d487bd8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..9e3930e1c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..32dd893be0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  method([x] = g) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..2b19156b41
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..75827ac733
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  method([x] = g) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..e605a40034
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..ed59a156b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..89f8f2a890
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..2916687ce2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..162a807165
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..4fca071ff6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Nested object destructuring with a null value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  method([{ x }] = [null]) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..cd17eac0cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  method([{ x }] = []) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..86f9bbf5b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..e7be6aac4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  method([,] = iter) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..4b19df93bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Elision advances iterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..7a98296dd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..af0957121c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..4b92ccdcb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing an elision (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..17fc39a214
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..bc541b73f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing a rest element (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..129fb000db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..987bec94f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  method([, ...x] = iter) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..6f27b0b9cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element following elision elements (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..9d7adc641f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..aef6bb4a49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  method([...x] = iter) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..2e505bfba1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  method([...x] = iter) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..d4e5e0f892
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Lone rest element (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..1d009b3318
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..d494273cbc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..590b6cc240
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..cec717b63f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..937a57aaf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..9a75b35c3d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..a5ff0b91eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..40a7166178
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-null.js
new file mode 100644
index 0000000000..b999133400
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  method({} = null) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..11234a1875
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-init-undefined.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  method({} = undefined) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..01594d5443
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..6f39d99969
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  method({ poisoned } = poisonedProperty) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..6cfefaf62f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..aba947c3e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..5a31c9cf3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..7593b3c947
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..80974cc4ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..a2754f9944
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..02dde5b5a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ x = thrower() } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..376a67c7e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method({ x = unresolvableReference } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..38236ebb18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..fadaa36c49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ a, b = thrower(), c = ++initCount } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..264340a818
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..776d3bf0b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..d93c5454c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..53a57ce4ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..b9eb618795
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ [thrower()]: x } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..970e57ae02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  method({ poisoned: x = ++initEvalCount } = poisonedProperty) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..273e568703
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..f0a0b526b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ x: y = thrower() } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..5e6109f2a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method({ x: y = unresolvableReference } = {}) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..508b41ffaf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..360ec7e092
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..417188f461
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..68bf8916e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..2c78d5ca19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..d182ca7445
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: { x, y, z } = undefined } = { }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..9a01630eab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..89b6da687f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..3952729118
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..18908855db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-null.js
new file mode 100644
index 0000000000..d6f298a8f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  method({}) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-undefined.js
new file mode 100644
index 0000000000..a06de3fe97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-init-undefined.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  method({}) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..dc950e43ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-empty.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(obj);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..1a1937db61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  method({ poisoned }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..2d22819e73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..464465222b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2f5349cdf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..6b3c83bc9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..5c33c28105
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..c4d4b79c48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..dd55f4bce6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ x = thrower() }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..c8cbe8551a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method({ x = unresolvableReference }) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..bd34550744
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..d95d4e82b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-list-err.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ a, b = thrower(), c = ++initCount }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..b15189fcf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..881d22c338
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: [45] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..d63a34a3cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..d34fdd1dda
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: [7, undefined, ] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..5c3fa0712e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Evaluation of property name returns an abrupt completion (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ [thrower()]: x }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..673cfab5d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  method({ poisoned: x = ++initEvalCount }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..46cbd78ea0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..085d3a2db1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Error thrown when evaluating the initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  method({ x: y = thrower() }) {}
+};
+
+var c = new C();
+
+assert.throws(Test262Error, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..ce537ad84c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Destructuring initializer is an unresolvable reference (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  method({ x: y = unresolvableReference }) {}
+};
+
+var c = new C();
+
+assert.throws(ReferenceError, function() {
+  c.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..3fb9ca6909
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..77d1feff57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..4183736d42
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-id.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Binding as specified via property name and identifier (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..adf11a5ed1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: undefined });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..0055aeac99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..fee809c44d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  method({ w: { x, y, z } = undefined }) {}
+};
+
+var c = new C();
+
+assert.throws(TypeError, function() {
+  c.method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..40121ab0d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..9bd46cfd6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..0507093351
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method(o);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..256e56ef0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Rest object contains just unextracted data (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..500e8143c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..a0e1a411bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  static method([x, y, z]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([1, 2, 3]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..aabe99798b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-get-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  static method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..f0e2c20b70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..2dae5048f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-name-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..c2d94c04f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..701808e01d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[7, 8, 9]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..151ced0c89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..60f4dc10d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..e5baeeb181
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..96fe933c77
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([[23]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..2dc3a0a2fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..3cb5844ac6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([values]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..26d4a15eab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Nested array destructuring with a null value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  static method([[x]]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..1a855e64e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..41822de003
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..1c3a215c7c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..87555c71ce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..cb90504051
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..123fee6fa6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..008697629e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method([,]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..61072d87c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([null, 0, false, '']);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..bf484b0875
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  static method([x = (function() { throw new Test262Error(); })()]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method([undefined]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..8581e1c790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([undefined]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..d547915dd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method([ x = unresolvableReference ]) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..406883eba1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..366e8bbb4d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..bc5e9491c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  static method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..6c1e06ecc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..545132ea44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static method([x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(g);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..23fbd2b225
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..d0c7653682
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..8bd1848300
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..cae912d565
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..f734f70da7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..c634ba1566
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Nested object destructuring with a null value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static method([{ x }]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([null]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..f79592341c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static method([{ x }]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..809296796d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static method([,]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..6dec356bd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision-step-err.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  static method([,]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..fb75ef7921
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-elision.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Elision advances iterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..bfd4073a97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-empty.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..e53d40f16e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([3, 4, 5]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..9ec22d241c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing an elision (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..7f82bd1ad8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..6e2f19c1fc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing a rest element (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..53b80e77e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Lone rest element (direct binding) (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..b272895f4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  static method([, ...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..bfb6ddb88e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element following elision elements (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..36dcf31e01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..f15808f0fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  static method([...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..b030b5c809
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static method([...x]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(iter);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..801bd582fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Lone rest element (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..da6176dbf7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..e056fd74a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..bcc72d51bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..fbead3414b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..0c56098718
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..04dccb553b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..3eaf12affe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..580e6e2474
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method([7, 8, 9]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..a2d21847dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err-array-prototype.js
new file mode 100644
index 0000000000..62bd70103c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err-array-prototype.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err-array-prototype.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iteratorRecord be ? GetIterator(value).
+
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    [...]
+    4. Let iterator be ? Call(method, obj).
+
+    Call ( F, V [ , argumentsList ] )
+
+    [...]
+    2. If IsCallable(F) is false, throw a TypeError exception.
+
+---*/
+delete Array.prototype[Symbol.iterator];
+
+class C {
+  static method([x, y, z] = [1, 2, 3]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err.js
new file mode 100644
index 0000000000..008df29b09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-get-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-get-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Abrupt completion returned by GetIterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+
+---*/
+var iter = {};
+iter[Symbol.iterator] = function() {
+  throw new Test262Error();
+};
+
+class C {
+  static method([x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..c06666e67b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..87e353dca5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..151b7b08ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..444eb1131f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..21a1ece746
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..b2bbd718b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..fbf6db5f0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..deed39c61d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..ee024c106e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..46d39662c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-val-null.js
new file mode 100644
index 0000000000..6f2266bc2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-ary-val-null.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Nested array destructuring with a null value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    1. Let iterator be GetIterator(value).
+    2. ReturnIfAbrupt(iterator).
+---*/
+
+class C {
+  static method([[x]] = [null]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..93d288f4be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..41c1c034a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..64fe77970d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..3ca7b8fa46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..ce09d93690
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..7d3bd26dea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..b54ce90f2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..6e132d3fa6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-throws.js
new file mode 100644
index 0000000000..8d7c82bd21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-throws.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+
+class C {
+  static method([x = (function() { throw new Test262Error(); })()] = [undefined]) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..98be07a5d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
index 0000000000..11660bc235
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method([ x = unresolvableReference ] = []) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..0c185833ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..1a7875583c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
new file mode 100644
index 0000000000..413d2db6ce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-step-err.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      throw new Test262Error();
+    }
+  };
+};
+
+class C {
+  static method([x] = g) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..1dbf119c2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
new file mode 100644
index 0000000000..78d689ed44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val-err.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(v).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var g = {};
+g[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static method([x] = g) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..b687c1d24a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..8bee682ca7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..078ed2493c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..7c1e5eeba7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..8b0ea301c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-null.js
new file mode 100644
index 0000000000..824f63ef6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-null.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a null value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static method([{ x }] = [null]) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
new file mode 100644
index 0000000000..a52286646a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elem-obj-val-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Nested object destructuring with a value of `undefined` (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+       e. Else
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ObjectBindingPattern
+
+    1. Let valid be RequireObjectCoercible(value).
+    2. ReturnIfAbrupt(valid).
+---*/
+
+class C {
+  static method([{ x }] = []) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..8d536d8bf9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..478c54ebc6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+  throw new Test262Error();
+  following += 1;
+}();
+
+class C {
+  static method([,] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..974efa1e98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Elision advances iterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..2abad8546c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..9d05ce26f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..7985bce454
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..82489d494b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..5532e679b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..23e357765e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
new file mode 100644
index 0000000000..1fda23354a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision-next-err.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+
+---*/
+var iter = (function*() { throw new Test262Error(); })();
+
+class C {
+  static method([, ...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..bd1bd72375
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..4dac070b95
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..789cce3fcc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+class C {
+  static method([...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
new file mode 100644
index 0000000000..3f8c537878
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id-iter-val-err.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error forwarding when IteratorValue returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       c. Let nextValue be IteratorValue(next).
+       d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
+          true.
+       e. ReturnIfAbrupt(nextValue).
+
+---*/
+var poisonedValue = Object.defineProperty({}, 'value', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedValue;
+    }
+  };
+};
+
+class C {
+  static method([...x] = iter) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..9196483b26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Lone rest element (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..becf98ed27
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..cb38592a52
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..8df5adb4b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..47c21d6b6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..aa6f0654d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..c936e7d16a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,80 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..bfe824cd54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..8616c2eaf9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-null.js
new file mode 100644
index 0000000000..0df12743b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static method({} = null) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-undefined.js
new file mode 100644
index 0000000000..5482a527df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-init-undefined.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static method({} = undefined) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..1dcb78a2f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..0c8e610e1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static method({ poisoned } = poisonedProperty) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..db5d64d7c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..8a6acdd653
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..4c92b603ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..33fe20608e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..254a45fb30
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..16d7f045a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..7f26af06e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ x = thrower() } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..3f296a8bbc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method({ x = unresolvableReference } = {}) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..09fc7b81f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..100b54214c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-list-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ a, b = thrower(), c = ++initCount } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..ef6b6e1a85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..32afec6816
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..b9fec2f199
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] } = { w: null }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..d40c513688
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..1f4fd2c000
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ [thrower()]: x } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..6d011ce820
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static method({ poisoned: x = ++initEvalCount } = poisonedProperty) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..533e81f45e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..331ef4acfd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ x: y = thrower() } = {}) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..34e0fe5d3f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method({ x: y = unresolvableReference } = {}) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..c6cf8b08a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..6571168670
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..4fe6779887
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..9012ab99f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..2511427ef0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..e44cb5afa4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: { x, y, z } = undefined } = { }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..fc5fe12ffb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..6c44ed25f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..421c74c656
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..920a42ae46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-null.js
new file mode 100644
index 0000000000..1dcebc3119
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-null.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-null.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (null) (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static method({}) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-undefined.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-undefined.js
new file mode 100644
index 0000000000..0d40623806
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-init-undefined.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-init-undefined.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Value specifed for object binding pattern must be object coercible (undefined) (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+
+class C {
+  static method({}) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..430b92a748
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-empty.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method(obj);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-get-value-err.js
new file mode 100644
index 0000000000..8a0bbac390
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-get-value-err.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. Let v be GetV(value, propertyName).
+    5. ReturnIfAbrupt(v).
+---*/
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static method({ poisoned }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(poisonedProperty);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..23866529ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..38873156c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2a32fa47d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..0eb3c8a31d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..0c91023450
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..e1bd4dd951
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-throws.js
new file mode 100644
index 0000000000..8527fddbf5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let  defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ x = thrower() }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-unresolvable.js
new file mode 100644
index 0000000000..02566d98d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method({ x = unresolvableReference }) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..293689da4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-list-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-list-err.js
new file mode 100644
index 0000000000..99f50db21a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-list-err.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-list-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Binding property list evaluation is interrupted by an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPropertyList : BindingPropertyList , BindingProperty
+
+    1. Let status be the result of performing BindingInitialization for
+       BindingPropertyList using value and environment as arguments.
+    2. ReturnIfAbrupt(status).
+---*/
+var initCount = 0;
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ a, b = thrower(), c = ++initCount }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+assert.sameValue(initCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..ab3d9d65c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..958a69030d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: [45] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-value-null.js
new file mode 100644
index 0000000000..ab18550b2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary-value-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern taking the `null` value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..c650a387f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: [7, undefined, ] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-eval-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-eval-err.js
new file mode 100644
index 0000000000..65afb213f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-eval-err.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-eval-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Evaluation of property name returns an abrupt completion (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingProperty : PropertyName : BindingElement
+
+    1. Let P be the result of evaluating PropertyName
+    2. ReturnIfAbrupt(P).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ [thrower()]: x }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-get-value-err.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-get-value-err.js
new file mode 100644
index 0000000000..77c09b30e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-get-value-err.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error thrown when accessing the corresponding property of the value object (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    1. Let v be GetV(value, propertyName).
+    2. ReturnIfAbrupt(v).
+---*/
+var initEvalCount = 0;
+var poisonedProperty = Object.defineProperty({}, 'poisoned', {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+class C {
+  static method({ poisoned: x = ++initEvalCount }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method(poisonedProperty);
+});
+
+assert.sameValue(initEvalCount, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..e98bd1afb5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-throws.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-throws.js
new file mode 100644
index 0000000000..bf83fa005b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-throws.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-throws.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Error thrown when evaluating the initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+---*/
+function thrower() {
+  throw new Test262Error();
+}
+
+class C {
+  static method({ x: y = thrower() }) {}
+};
+
+assert.throws(Test262Error, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-unresolvable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-unresolvable.js
new file mode 100644
index 0000000000..2ee5ed2af0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init-unresolvable.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Destructuring initializer is an unresolvable reference (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+class C {
+  static method({ x: y = unresolvableReference }) {}
+};
+
+assert.throws(ReferenceError, function() {
+  C.method({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..3cd7d23406
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..b1c8a4d136
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..3ee0df407f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..49f17c6bbc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: undefined });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-null.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-null.js
new file mode 100644
index 0000000000..ae37b91542
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-null.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-null.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ w: null });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-undef.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-undef.js
new file mode 100644
index 0000000000..da1f927804
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj-value-undef.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
+// - src/dstr-binding/error/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern taking the `null` value (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+class C {
+  static method({ w: { x, y, z } = undefined }) {}
+};
+
+assert.throws(TypeError, function() {
+  C.method({ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..fea57dfe98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..a770ea90a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({ get v() { count++; return 2; } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..8072fe7119
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method(o);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..32f93bfb90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-meth-static.template
+/*---
+description: Rest object contains just unextracted data (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..5c392dcaa9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  * #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..c7afd65354
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-init-iter-no-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  * #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..b6c8621b1a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-name-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..b766f51794
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..79277a3f43
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[7, 8, 9]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..6cf6800fa6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..7ce755b4bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..4c0acc17f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  * #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..ee466b2981
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  * #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[23]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..ade7fd21b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  * #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..c74564f74e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  * #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([values]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..022cfb465a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..4a73424ab5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..abba0898ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2ac4a448a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..33ea96854c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..f9305418c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..5ead11567a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([,]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..4db37e6b11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([null, 0, false, '']).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..b4f31dcd6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([undefined]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..079828c06a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..d58b13b9e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..d2234a84dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..b67ef13002
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..4ebaa3fa2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..91a9a0a157
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..c80fbbeae0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..8df54c1df5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..744d5fc2c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Elision accepts exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  * #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..5c9a25c370
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-elision.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Elision advances iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..73d1f05312
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-empty.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  * #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..e75150ffba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([3, 4, 5]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..fdc9602258
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,118 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing an elision (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..df1a672ec3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  * #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..5dd8852652
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing a rest element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  * #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..85c1ac7d59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Lone rest element (direct binding) (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..7dbcd84d6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element following elision elements (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  * #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..f2838c5b39
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..770a9a20ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Lone rest element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..c2d7216d9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..c7549dac21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..a10e288457
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..8ef03afce7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..1c358e07fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..166f55992c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..96b737df5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..3924bf84cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([7, 8, 9]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..14cde88b29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..3d6c1e35db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..54f160cf23
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..3823e65211
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..24c7ad7b41
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..4d53cf4f3b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..f8963641df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..3e6b0f7fc7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  * #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..88ee6b1757
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  * #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..57e549ed5e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  * #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..ddc9a9ad8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  * #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..8720e6173a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..b6a784c5f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..de6eba1e62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..a73ce63344
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..12632d7677
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..ffdbd3602b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..9523fa58b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..b55a511180
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..fc619299e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..e7d42ad280
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..7248cb7412
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..2d918abaa8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..de945caba9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..da7b8871d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..7769013735
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..c56193ac17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..e064b7fbbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..056d49f571
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  * #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..ff9c600fe2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Elision advances iterator (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..b3c3060b2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  * #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..5e4a7baef3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..b4d4a26e9b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,118 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an elision (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  * #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..6db82a5215
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  * #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..af1f67bfbf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing a rest element (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  * #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..977b261cdc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..8a8ab60709
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element following elision elements (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  * #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..2a3b4ffe36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..2471513fcd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Lone rest element (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  * #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..a8f1dc96c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..59c17b3e83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..0587e01b0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..ca1a6cb75c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..352a65595c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..b1c63e5154
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  * #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..85010b5246
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  * #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..e7162c2ef9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..965a2c6306
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  * #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..c0fc68acc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..c65aac3dab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..7950cae0f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..8bdf510a84
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..99cc90f75c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..9b8613fe4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..2d41f62d11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..617fd832da
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..1c786ab378
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..bbdcb45d6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..45b5316041
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..3f0adefb70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..0c95a50eed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..cce7a615a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..6176c1e7fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..25a0f5b49e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..a1e57c2956
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  * #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..73a2e88fe1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  * #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..2420235701
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (private class expression method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  * #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..f87909cbf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-empty.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  * #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(obj).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..864d7c02c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..ddbf88da04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..d297311c54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..afa707d2ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..6b93f34787
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..43dc08e2bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..75e9f31a63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..fae83b5565
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..a3391bbf10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: [45] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..fd4d92aecc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: [7, undefined, ] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..95cdaa1c78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..2397f74699
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..4e8ad1b210
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..05418aa63d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Binding as specified via property name and identifier (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..84a4815aea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: undefined }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..5b68fbc521
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..3ba88c7034
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  * #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..debb0886f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  * #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(o).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..4ca3a11464
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth.template
+/*---
+description: Rest object contains just unextracted data (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [object-rest, class, class-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  * #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..127435de5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static * #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..7d156e7d3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static * #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..b34129cd3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-name-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..b6c7405ead
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..09dcd9547f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[7, 8, 9]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..341dd3f8c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..e1c3adb7b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..e12e6df246
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static * #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..157c58a65d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static * #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[23]]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..dbe8c7beaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static * #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..fbe8ef0952
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static * #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([values]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..5d9a566565
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..c097982786
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..988101c990
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..791be9102e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..3d527a6cc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..479c84a633
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..8c031ae289
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([,]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..0ef744bfac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([null, 0, false, '']).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..6d17df77fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([undefined]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..954e1e06a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..60b7713822
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..ebba9fb209
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..cbe2780269
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..118af221d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..c7c83f5e9b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..9de34b02cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..fe33488c09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..09e2dae315
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static * #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..4a183f15fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-elision.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Elision advances iterator (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..557ddf2e3b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-empty.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static * #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..6d88bd2098
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([3, 4, 5]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..8f04a77eb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,118 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing an elision (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g()).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..a64ad48fa1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static * #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..613d9db4a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing a rest element (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static * #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..e121847fb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Lone rest element (direct binding) (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..9921121677
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element following elision elements (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static * #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..ba392de7f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..04111f98aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Lone rest element (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static * #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..0c1e144905
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..04f38775a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..412e2a26d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..cc39d9eba6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..4b048c5779
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..fd1fec1cf2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..c7e9e928fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..bf51b08840
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([7, 8, 9]).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..93e8efb994
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..7d385d15d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static * #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..b6461f9c61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..014e13d47a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..9744e916a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..5c4d67f420
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..8d64a6fa67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..0bf17c9718
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static * #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..2b58d43bec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static * #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..bf711c5690
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static * #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..eaaf9f8737
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static * #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..ac83e65726
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..93d4296816
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..7f883119c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..a82d02a636
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..0a1ac078b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..57379d6be8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..8efab8fe79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..7e79b330ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..ada5adb6b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..7a41ca20c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..a9674abee6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..061cec1b0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..c333b22617
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..428f27a538
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..e668c063aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..0856018c6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..a720f8a56c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..7ae8335341
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static * #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..c51414d3fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Elision advances iterator (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..50e3c97c2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static * #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..37b616dbb9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..8f02c70ddd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,118 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static * #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..0c593ee363
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,101 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static * #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..ccd05a513e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static * #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..6e80363cf5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..e347414f1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static * #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..1e67162ab6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..a078ffb200
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Lone rest element (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static * #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..21745f3e65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..2d3b34b647
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..33203306c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..17f882f817
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..50de85084f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..e94b86d533
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static * #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..a6b62d5f53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static * #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..2fd7a669cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static * #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..f53cd60905
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static * #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..53e9be9cf0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..c0cdbb5846
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..096e11af4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..3a8f97be53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..5305891559
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..0322d8fc04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..a74701c403
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..85ffc85b34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..7ba68d5bdc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..ad13e6224e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..2c94cce370
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..16ff749460
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..1025b98f30
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..204d83334e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..029e9841ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..a0f1cf1196
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..8aaf613f2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static * #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..6e5fa48892
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static * #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..eb89e8c38a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (private static class expression generator method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..1fffaa6251
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-empty.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static * #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(obj).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..f737f64f05
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..3824f5549b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..42be5450c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e4c5198faf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..f89005dad8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..8a3870b9f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..b9251d2ef8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..27390ef80a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..d3a8f48c77
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: [45] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..71896ded79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: [7, undefined, ] }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..b633c84655
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static * #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..2139b734c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..382fe94c8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..5555927ec6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..d2d132a25f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: undefined }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..1dec9e2a75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..518777f02d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static * #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ get v() { count++; return 2; } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..660628a74c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static * #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(o).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..5f18d266b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-gen-meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
+/*---
+description: Rest object contains just unextracted data (private static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, generators, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static * #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3}).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-close.js
new file mode 100644
index 0000000000..e67f314cf9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..80eafc152b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-init-iter-no-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-name-iter-val.js
new file mode 100644
index 0000000000..027780a582
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-name-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..bf66e3f137
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..e1b2d300b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[7, 8, 9]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..3d0edf64e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..41b0bbd28e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..a15d5f03b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..15a6a738f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([[23]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..07b66e65fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..859c676e53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([values]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..73bda913c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..530f7fb021
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..a20b579192
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..2cf571fbde
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..7f69ab7bcb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..71080d2f59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..b1f9271bde
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([,]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..98e8938e8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([null, 0, false, '']);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..b4bf7edd2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([undefined]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..9d796f54b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..3526bd3efb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..4485b87315
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..7b6b625439
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..cfc80094cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..da9b35a11f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ x: 11, y: 22, z: 33 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..78d4f98170
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..26f2957c1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([{ u: 777, w: 888, y: 999 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..867d9001d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Elision accepts exhausted iterator (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision.js
new file mode 100644
index 0000000000..c1cf084dd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-elision.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Elision advances iterator (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-empty.js
new file mode 100644
index 0000000000..01e416e359
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-empty.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..62abf52a4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([3, 4, 5]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..885840c43b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing an elision (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..c98ab4b72f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..a271cd9742
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing a rest element (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..41b1e92abc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Lone rest element (direct binding) (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..0fea03cdf7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element following elision elements (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..70926f7d70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..4a062e5923
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Lone rest element (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..1caf23d11d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..e951bf6636
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..dd5a1a293d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..7d85a99478
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..564123314c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..3b293c3670
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..0813d1068f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..dd166a1b45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method([7, 8, 9]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..9a9529a6c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..25e96952e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..3f2f674dd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-name-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..c0c419b439
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..49db54bded
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..213ce44ec1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..6cf5fa2f1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..b6a61f3488
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..6e035507d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..051f06268b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..65bc609182
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..61be2a8e69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..08d3628327
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..6cb3dd7dc3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..e3695c9aa0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..d479070e87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..c4e5267b8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..01bf4e1e62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..7158fd9163
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..803968e748
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..81cb2bf874
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..f6a7172213
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..d9df8bda9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..05fab51268
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..1c906c9262
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..27db293fbb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..70f555da9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..41c1420324
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..6d67bd0032
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..c83d9d705e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-elision.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Elision advances iterator (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..ec1ab86696
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-empty.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..624564c5b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..457bd3334d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing an elision (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..08361b0b02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..41faa91bfb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing a rest element (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..cb25bdd0f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Lone rest element (direct binding) (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..ce84f0b190
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element following elision elements (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..d275436ada
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..6cde98bae8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Lone rest element (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..5a897fd714
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..f659b3f79e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..949cd85abc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..5dc3556f1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..3d87f97704
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..35419eb270
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..b7c3b6186a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..59877ad529
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..9a14bb6f69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-empty.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..1f5df25586
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..7e2f45b612
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..44e84582ce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..8f1b11c85f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..fade38e1b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..eaa3b6bd2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..57f52851fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..99fd8affa7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..212dc77a49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..a5209a9c97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..c9007f940b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..880544be5e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..5b23b7fe7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..2acafc5edf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..9778adeb4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..5842f1912c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..15f34504d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..9a4f251c65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..5437d9d9bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-dflt.template
+/*---
+description: Rest object contains just unextracted data (private class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-empty.js
new file mode 100644
index 0000000000..c0e13217a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-empty.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(obj);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..2330d077b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..4af2ecddda
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..ecbe73d7b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e63746391e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..0303047613
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..8235421dd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..6a82712de9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..1093eadb3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..dcab838f14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: [45] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..334f8b2c57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-ary.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: [7, undefined, ] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..c271947ded
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ s: null, u: 0, w: false, y: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..ea288eb7dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..ac53632f7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..06d30c1eb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Binding as specified via property name and identifier (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..b8199b954a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: undefined });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..9b785b3758
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..48a01f4bd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-getter.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ get v() { count++; return 2; } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..53c2d12d13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method(o);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..ce05388c5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth.template
+/*---
+description: Rest object contains just unextracted data (private class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({x: 1, y: 2, a: 5, b: 3});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-close.js
new file mode 100644
index 0000000000..67fef4ff99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static #method([x]) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..86276e0d00
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-init-iter-no-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static #method([x]) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-name-iter-val.js
new file mode 100644
index 0000000000..dddf6a08aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-name-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..6013316089
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..ce59e7de59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([[x, y, z] = [4, 5, 6]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[7, 8, 9]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..9074589b89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([[,] = g()]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..d8c4a42cef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([[,] = g()]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..e92c218389
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static #method([[] = function() { initCount += 1; return iter; }()]) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..fe07210890
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static #method([[] = function() { initCount += 1; }()]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([[23]]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..463888fafa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static #method([[...x] = values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..d0bd01db36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static #method([[...x] = function() { initCount += 1; }()]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([values]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..b2888b6bed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..3dbb00a948
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([arrow = () => {}]) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..8ccc0e9836
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..19951201fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([cover = (function () {}), xCover = (0, function() {})]) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..55b63b4054
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([fn = function () {}, xFn = function x() {}]) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..205f141eaf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([gen = function* () {}, xGen = function* x() {}]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..2b8aa58d8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([,]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..b6c585290c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method([w = counter(), x = counter(), y = counter(), z = counter()]) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([null, 0, false, '']);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..b090428f87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([undefined]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..5a156fa06e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..75cf9a72a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([_, x]) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..7139764c6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..ecac85ffc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x, y, z]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..d2151a8aee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..246df99536
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ x: 11, y: 22, z: 33 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..1338f7693e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..306233bfb9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..8fa86fd5fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static #method([,]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision.js
new file mode 100644
index 0000000000..40dccdcdc1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-elision.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Elision advances iterator (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([,]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-empty.js
new file mode 100644
index 0000000000..7b8c255b6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-empty.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static #method([]) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..bd6f465685
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...[x, y, z]]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([3, 4, 5]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..6eb2d733b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing an elision (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([...[,]]) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(g());
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..0526dd7ea9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static #method([...[]]) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(iter);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..239bd18659
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing a rest element (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static #method([...[...x]]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..c2bf23e660
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Lone rest element (direct binding) (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...x]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..0dd975f7a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element following elision elements (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static #method([ , , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..d157abe604
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([, , ...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..6033c1228a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Lone rest element (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static #method([...x]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(values);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..950b8b2665
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...[ x ] = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..123354e379
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...x = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..59279e3f46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...{ x } = []]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..e2ecaed254
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...[x], y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..3217fbee28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...x, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..fd51675b7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...{ x }, y]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..db91ba3dbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...{ length }]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([1, 2, 3]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..5dab0a6c60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method([7, 8, 9]);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-close.js
new file mode 100644
index 0000000000..1887cf6e5f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Iterator is closed when not exhausted by pattern evaluation (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: false };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static #method([x] = iter) {
+    assert.sameValue(doneCallCount, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..885c4f67c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-init-iter-no-close.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.5 Runtime Semantics: BindingInitialization
+
+    BindingPattern : ArrayBindingPattern
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
+       result).
+    [...]
+
+---*/
+var doneCallCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return { value: null, done: true };
+    },
+    return: function() {
+      doneCallCount += 1;
+      return {};
+    }
+  };
+};
+
+var callCount = 0;
+class C {
+  static #method([x] = iter) {
+    assert.sameValue(doneCallCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-name-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-name-iter-val.js
new file mode 100644
index 0000000000..ac72b2656c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-name-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-name-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding with normal value iteration (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..543ec000b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([[x, y, z] = [4, 5, 6]] = []) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
new file mode 100644
index 0000000000..96ff3f7c46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elem-iter.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, 8);
+    assert.sameValue(z, 9);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
new file mode 100644
index 0000000000..1ec8532a26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-init.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([[,] = g()] = []) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
new file mode 100644
index 0000000000..15ea70f430
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-elision-iter.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var callCount = 0;
+function* g() {
+  callCount += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([[,] = g()] = [[]]) {
+    assert.sameValue(callCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..41ea47e7f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var callCount = 0;
+class C {
+  static #method([[] = function() { initCount += 1; return iter; }()] = []) {
+    assert.sameValue(initCount, 1);
+    assert.sameValue(iterCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
new file mode 100644
index 0000000000..365b93402d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-empty-iter.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static #method([[] = function() { initCount += 1; }()] = [[23]]) {
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
new file mode 100644
index 0000000000..bb2383e60c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-init.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+
+var callCount = 0;
+class C {
+  static #method([[...x] = values] = []) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
new file mode 100644
index 0000000000..6f648b7b8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-ary-rest-iter.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with array binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       [...]
+       e. Else,
+          i. Let v be IteratorValue(next).
+          [...]
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+var values = [2, 1, 3];
+var initCount = 0;
+
+var callCount = 0;
+class C {
+  static #method([[...x] = function() { initCount += 1; }()] = [values]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x[0], 2);
+    assert.sameValue(x[1], 1);
+    assert.sameValue(x[2], 3);
+    assert.sameValue(x.length, 3);
+    assert.notSameValue(x, values);
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
new file mode 100644
index 0000000000..7c8b1be34e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-exhausted.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an exhausted iterator (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23] = []) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..b9f0d35f7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-arrow.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to arrow functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([arrow = () => {}] = []) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
new file mode 100644
index 0000000000..257ddc0b23
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..37524d12eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-cover.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([cover = (function () {}), xCover = (0, function() {})] = []) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..97c8cc6ffe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-fn.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([fn = function () {}, xFn = function x() {}] = []) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..6dff2face9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([gen = function* () {}, xGen = function* x() {}] = []) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-hole.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
new file mode 100644
index 0000000000..8f68bcb24e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-hole.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer with a "hole" (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    SingleNameBinding : BindingIdentifier Initializeropt
+    [...] 6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23] = [,]) {
+    assert.sameValue(x, 23);
+    // another statement
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
new file mode 100644
index 0000000000..fb8ae2242e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-skipped.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-undef.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
new file mode 100644
index 0000000000..90e17f939a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-init-undef.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer with an undefined value (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x = 23] = [undefined]) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..af815e2508
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
new file mode 100644
index 0000000000..ddf3bfe61f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-done.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([_, x] = []) {
+    assert.sameValue(x, undefined);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..85f7fc70de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+var callCount = 0;
+class C {
+  static #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 42);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
new file mode 100644
index 0000000000..a7f4633384
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-id-iter-val.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding when value iteration was completed previously (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([x, y, z] = [1, 2, 3]) {
+    assert.sameValue(x, 1);
+    assert.sameValue(y, 2);
+    assert.sameValue(z, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..7c751e1e55
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
+    assert.sameValue(x, 44);
+    assert.sameValue(y, 55);
+    assert.sameValue(z, 66);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id.js
new file mode 100644
index 0000000000..c702b2cba0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-id.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
+    assert.sameValue(x, 11);
+    assert.sameValue(y, 22);
+    assert.sameValue(z, 33);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
new file mode 100644
index 0000000000..70178f28c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id-init.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
+    assert.sameValue(v, 444);
+    assert.sameValue(x, 555);
+    assert.sameValue(z, 666);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..0bf680efbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..e256757602
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Elision accepts exhausted iterator (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       [...]
+    2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var callCount = 0;
+class C {
+  static #method([,] = iter) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision.js
new file mode 100644
index 0000000000..cd4ae586ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-elision.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Elision advances iterator (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([,] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-empty.js
new file mode 100644
index 0000000000..ec22da64b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-empty.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: No iteration occurs for an "empty" array binding pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static #method([] = iter) {
+    assert.sameValue(iterations, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elem.js
new file mode 100644
index 0000000000..2607eaf454
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elem.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing an array BindingElementList pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+       e. Else,
+          [...]
+          i. Let v be IteratorValue(next).
+          ii. If v is an abrupt completion, set
+              iteratorRecord.[[done]] to true.
+          iii. ReturnIfAbrupt(v).
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...[x, y, z]] = [3, 4, 5]) {
+    assert.sameValue(x, 3);
+    assert.sameValue(y, 4);
+    assert.sameValue(z, 5);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elision.js
new file mode 100644
index 0000000000..35078291d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-elision.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing an elision (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ Elision ]
+
+    1. Return the result of performing
+       IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+       as the argument.
+
+    12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+    Elision : ,
+
+    1. If iteratorRecord.[[done]] is false, then
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+       d. If next is false, set iteratorRecord.[[done]] to true.
+    2. Return NormalCompletion(empty).
+
+---*/
+var first = 0;
+var second = 0;
+function* g() {
+  first += 1;
+  yield;
+  second += 1;
+};
+
+var callCount = 0;
+class C {
+  static #method([...[,]] = g()) {
+    assert.sameValue(first, 1);
+    assert.sameValue(second, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-empty.js
new file mode 100644
index 0000000000..14432e9b54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-empty.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing an "empty" array pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    ArrayBindingPattern : [ ]
+
+    1. Return NormalCompletion(empty).
+
+---*/
+var iterations = 0;
+var iter = function*() {
+  iterations += 1;
+}();
+
+var callCount = 0;
+class C {
+  static #method([...[]] = iter) {
+    assert.sameValue(iterations, 1);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..fceae6e266
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing a rest element (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static #method([...[...x]] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-direct.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-direct.js
new file mode 100644
index 0000000000..e45d9b9050
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-direct.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-direct.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Lone rest element (direct binding) (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingIdentifier
+
+    [...]
+    2. Let A be ! ArrayCreate(0).
+    3. Let n be 0.
+    4. Repeat,
+        [...]
+        f. Perform ! CreateDataPropertyOrThrow(A, ! ToString(n), nextValue).
+        g. Set n to n + 1.
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...x] = [1]) {
+    assert(Array.isArray(x));
+    assert.compareArray(x, [1]);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-elision.js
new file mode 100644
index 0000000000..74b7ac453c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-elision.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-elision.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element following elision elements (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    ArrayBindingPattern : [ Elisionopt BindingRestElement ]
+    1. If Elision is present, then
+       a. Let status be the result of performing
+          IteratorDestructuringAssignmentEvaluation of Elision with
+          iteratorRecord as the argument.
+       b. ReturnIfAbrupt(status).
+    2. Return the result of performing IteratorBindingInitialization for
+       BindingRestElement with iteratorRecord and environment as arguments.
+---*/
+var values = [1, 2, 3, 4, 5];
+
+var callCount = 0;
+class C {
+  static #method([ , , ...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 3);
+    assert.sameValue(x[1], 4);
+    assert.sameValue(x[2], 5);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..cd7f0b4dfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [Symbol.iterator, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. If environment is undefined, return PutValue(lhs, A).
+          ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method([, , ...x] = [1, 2]) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id.js
new file mode 100644
index 0000000000..ab58474e1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Lone rest element (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    [...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
+       [...]
+       f. Let status be CreateDataProperty(A, ToString (n), nextValue).
+       [...]
+---*/
+var values = [1, 2, 3];
+
+var callCount = 0;
+class C {
+  static #method([...x] = values) {
+    assert(Array.isArray(x));
+    assert.sameValue(x.length, 3);
+    assert.sameValue(x[0], 1);
+    assert.sameValue(x[1], 2);
+    assert.sameValue(x[2], 3);
+    assert.notSameValue(x, values);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-ary.js
new file mode 100644
index 0000000000..b32f8f8f83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (nested array pattern) does not support initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...[ x ] = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-id.js
new file mode 100644
index 0000000000..50b58ccc44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (identifier) does not support initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...x = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-obj.js
new file mode 100644
index 0000000000..515b36e176
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-init-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-init-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (nested object pattern) does not support initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...{ x } = []] = []) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
new file mode 100644
index 0000000000..f0aeff0761
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-ary.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (array binding pattern) may not be followed by any element (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...[x], y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-id.js
new file mode 100644
index 0000000000..d3d6881ab1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-id.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (identifier) may not be followed by any element (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...x, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..e93ed26e0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,84 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+class C {
+  static #method([...{ x }, y] = [1, 2, 3]) {
+    
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-id.js
new file mode 100644
index 0000000000..c26920b995
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-id.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+
+var callCount = 0;
+class C {
+  static #method([...{ length }] = [1, 2, 3]) {
+    assert.sameValue(length, 3);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
new file mode 100644
index 0000000000..e346444e39
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-ary-ptrn-rest-obj-prop-id.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest element containing an object binding pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingRestElement : ... BindingPattern
+
+    1. Let A be ArrayCreate(0).
+    [...]
+    3. Repeat
+       [...]
+       b. If iteratorRecord.[[done]] is true, then
+          i. Return the result of performing BindingInitialization of
+             BindingPattern with A and environment as the arguments.
+       [...]
+---*/
+let length = "outer";
+
+var callCount = 0;
+class C {
+  static #method([...{ 0: v, 1: w, 2: x, 3: y, length: z }] = [7, 8, 9]) {
+    assert.sameValue(v, 7);
+    assert.sameValue(w, 8);
+    assert.sameValue(x, 9);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 3);
+
+    assert.sameValue(length, "outer", "the length prop is not set as a binding name");
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..88f8d653b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-empty.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static #method({} = obj) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..435aee1ab6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ arrow = () => {} } = {}) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..0071f451d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..e3b53773bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..e201800a28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ fn = function () {}, xFn = function x() {} } = {}) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..99bca0477d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ gen = function* () {}, xGen = function* x() {} } = {}) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..e3bc0889cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method({ w = counter(), x = counter(), y = counter(), z = counter() } = { w: null, x: 0, y: false, z: '' }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..efd4e14b89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x, } = { x: 23 }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..770939a957
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: [x, y, z] = [4, 5, 6] } = {}) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..7a9044161d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: [y], } = { x: [45] }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..d9774777ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-ary.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..d09b25c420
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..d351ac5afe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y = 33 } = { }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..ab4ecf7b62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y, } = { x: 23 }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..39f15c0ae5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y } = { x: 23 }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..2a6871aec1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: undefined }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..ce24fef3c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-prop-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..cb0e46ae21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-getter.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static #method({...x} = { get v() { count++; return 2; } }) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..a5f96d22fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static #method({...rest} = o) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..277bda2fe2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-dflt-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static-dflt.template
+/*---
+description: Rest object contains just unextracted data (private static class expression method (default parameter))
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding, default-parameters]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static #method({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method();
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-empty.js
new file mode 100644
index 0000000000..ad80335aea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-empty.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Runtime Semantics: BindingInitialization
+
+    ObjectBindingPattern : { }
+
+    1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+  get: function() {
+    accessCount += 1;
+  }
+});
+
+var callCount = 0;
+class C {
+  static #method({}) {
+    assert.sameValue(accessCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(obj);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-arrow.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-arrow.js
new file mode 100644
index 0000000000..c7f15b925a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-arrow.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to arrow functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ arrow = () => {} }) {
+    assert.sameValue(arrow.name, 'arrow');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-class.js
new file mode 100644
index 0000000000..41654d52fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-class.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" classes (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } }) {
+    assert.sameValue(cls.name, 'cls');
+    assert.notSameValue(xCls.name, 'xCls');
+    assert.notSameValue(xCls2.name, 'xCls2');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-cover.js
new file mode 100644
index 0000000000..e3292e120e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-cover.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ cover = (function () {}), xCover = (0, function() {})  }) {
+    assert.sameValue(cover.name, 'cover');
+    assert.notSameValue(xCover.name, 'xCover');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-fn.js
new file mode 100644
index 0000000000..04c75fa9d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-fn.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ fn = function () {}, xFn = function x() {} }) {
+    assert.sameValue(fn.name, 'fn');
+    assert.notSameValue(xFn.name, 'xFn');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..1c45df27ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-fn-name-gen.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          i. Let hasNameProperty be HasOwnProperty(v, "name").
+          ii. ReturnIfAbrupt(hasNameProperty).
+          iii. If hasNameProperty is false, perform SetFunctionName(v,
+               bindingId).
+
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ gen = function* () {}, xGen = function* x() {} }) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..3f12a20fcf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: null, x: 0, y: false, z: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 0000000000..57eed183a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..b988415e5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..3d9554b564
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: [y], }) {
+    assert.sameValue(y,45);
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: [45] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary.js
new file mode 100644
index 0000000000..d443705739
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-ary.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Object binding pattern with "nested" array binding pattern not using initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: [x, y, z] = [4, 5, 6] }) {
+    assert.sameValue(x, 7);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, undefined);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: [7, undefined, ] });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init-skipped.js
new file mode 100644
index 0000000000..3427ed5583
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init-skipped.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    BindingElement : BindingPattern Initializeropt
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+var callCount = 0;
+class C {
+  static #method({ s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() }) {
+    assert.sameValue(t, null);
+    assert.sameValue(v, 0);
+    assert.sameValue(x, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+
+    assert.throws(ReferenceError, function() {
+      s;
+    });
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ s: null, u: 0, w: false, y: '' });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init.js
new file mode 100644
index 0000000000..da00572f52
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-init.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Binding as specified via property name, identifier, and initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y = 33 }) {
+    assert.sameValue(y, 33);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-trailing-comma.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-trailing-comma.js
new file mode 100644
index 0000000000..dd2b10246e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id-trailing-comma.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y, }) {
+    assert.sameValue(y, 23);
+
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..4c4f7311b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-id.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Binding as specified via property name and identifier (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ x: y }) {
+    assert.sameValue(y, 23);
+    assert.throws(ReferenceError, function() {
+      x;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj-init.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj-init.js
new file mode 100644
index 0000000000..42e0831d98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj-init.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj-init.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern using initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, 4);
+    assert.sameValue(y, 5);
+    assert.sameValue(z, 6);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: undefined });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..c1caf23a4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-prop-obj.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ w: { x: undefined, z: 7 } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-getter.js
new file mode 100644
index 0000000000..658d09f678
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-getter.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-getter.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Getter is called when obj is being deconstructed to a rest Object (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var count = 0;
+
+var callCount = 0;
+class C {
+  static #method({...x}) {
+    assert.sameValue(count, 1);
+
+    verifyProperty(x, "v", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({ get v() { count++; return 2; } });
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-skip-non-enumerable.js
new file mode 100644
index 0000000000..c2bbf73cb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-skip-non-enumerable.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest object doesn't contain non-enumerable properties (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+var o = {a: 3, b: 4};
+Object.defineProperty(o, "x", { value: 4, enumerable: false });
+
+var callCount = 0;
+class C {
+  static #method({...rest}) {
+    assert.sameValue(rest.x, undefined);
+
+    verifyProperty(rest, "a", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 3
+    });
+
+    verifyProperty(rest, "b", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 4
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method(o);
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-val-obj.js
new file mode 100644
index 0000000000..2e8bbdc4c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/private-meth-static-obj-ptrn-rest-val-obj.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-rest-val-obj.case
+// - src/dstr-binding/default/cls-decl-private-meth-static.template
+/*---
+description: Rest object contains just unextracted data (private static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [object-rest, class, class-static-methods-private, destructuring-binding]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+---*/
+
+var callCount = 0;
+class C {
+  static #method({a, b, ...rest}) {
+    assert.sameValue(rest.a, undefined);
+    assert.sameValue(rest.b, undefined);
+
+    verifyProperty(rest, "x", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 1
+    });
+
+    verifyProperty(rest, "y", {
+      enumerable: true,
+      writable: true,
+      configurable: true,
+      value: 2
+    });
+    callCount = callCount + 1;
+  }
+
+  static get method() {
+    return this.#method;
+  }
+};
+
+C.method({x: 1, y: 2, a: 5, b: 3});
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/dstr/shell.js b/js/src/tests/test262/language/statements/class/dstr/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/abrupt-completition-on-field-initializer.js b/js/src/tests/test262/language/statements/class/elements/abrupt-completition-on-field-initializer.js
new file mode 100644
index 0000000000..e2ea7199ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/abrupt-completition-on-field-initializer.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If an initializer returns an abrupt completion, other initializers should not execute
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+info: |
+  [[Construct]] ( argumentsList, newTarget)
+    ...
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      c. If result is an abrupt completion, then
+        i. Remove calleeContext from execution context stack and restore callerContext as the running execution context.
+        ii. Return Completion(result).
+    ...
+
+  ClassTail : ClassHeritage { ClassBody }
+    ...
+    34. For each item fieldRecord in order from staticFields,
+      a. Perform ? DefineField(F, field).
+    ...
+
+features: [class-fields-public, class-static-fields-public, class]
+---*/
+
+function abruptCompletion() {
+  throw new Test262Error();
+}
+
+let neverExecuted = false;
+
+function sideEffect() {
+  neverExecuted = true;
+}
+
+class C {
+  a = abruptCompletion();
+  b = sideEffect();
+}
+
+assert.throws(Test262Error, function() {
+  let c = new C();
+}, 'field initializer should end with abrupt completion');
+assert.sameValue(neverExecuted, false);
+
+assert.throws(Test262Error, function() {
+  class D {
+    static a = abruptCompletion();
+    static b = sideEffect();
+  }
+}, 'static field initializer should end with abrupt completion');
+assert.sameValue(neverExecuted, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-names.js
new file mode 100644
index 0000000000..c058f478e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-names.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Computed property names (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  *m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..173e0ce9df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-computed-symbol-names.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Computed property symbol names (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  *m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..52c1458c45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  *m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names-asi.js
new file mode 100644
index 0000000000..a1b21dfe49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names-asi.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Literal property names with ASI (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  *m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names.js
new file mode 100644
index 0000000000..41e2472d2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-literal-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Literal property names (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  *m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-field-usage.js
new file mode 100644
index 0000000000..fc35a281db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-field-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  *m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..fcc9a1ae25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-getter-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  *m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-usage.js
new file mode 100644
index 0000000000..bc73bd1d89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-method-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  *m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-names.js
new file mode 100644
index 0000000000..7dd4170fea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-private-names.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: private names (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  *m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..172ea6f780
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..cb7c71f67a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-field-identifier.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..696990eecd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter.js
new file mode 100644
index 0000000000..93a9435e91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-getter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..6992d38b0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method.js
new file mode 100644
index 0000000000..8029c97052
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-method.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..dbcdb8e611
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter.js
new file mode 100644
index 0000000000..978c424473
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-private-setter.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..56913af500
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..531b66c1cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..e46db7f945
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..df7ed6d89c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-privatename-identifier.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..8210868664
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..a25cdabbb8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ee67688f06
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..ab0f8b9975
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..582f3c5241
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,124 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..c9cdec139c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..a8dde27dbf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..fa198c8a53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..9e74a42de8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..cedc2876cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..1557b9651e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..4fd22ea158
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..4771398de9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..610964b743
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..f6421e1262
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-fields.js
new file mode 100644
index 0000000000..cde71d4fb1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-fields.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: static private fields (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..7d8b009597
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods-with-fields.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: static private methods with fields (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  *m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods.js
new file mode 100644
index 0000000000..c9c05cceb5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-static-private-methods.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: static private methods (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  *m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-string-literal-names.js
new file mode 100644
index 0000000000..e3b392da02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-gen-string-literal-names.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-gen.template
+/*---
+description: String literal names (field definitions after a generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  *m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-names.js
new file mode 100644
index 0000000000..823d115970
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-names.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Computed property names (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-symbol-names.js
new file mode 100644
index 0000000000..807cdea551
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-computed-symbol-names.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Computed property symbol names (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..0269dc17de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names-asi.js
new file mode 100644
index 0000000000..20c136ee2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names-asi.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Literal property names with ASI (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names.js
new file mode 100644
index 0000000000..13faccf1b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-literal-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Literal property names (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-field-usage.js
new file mode 100644
index 0000000000..54e661f267
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-field-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..5fb9643d51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-getter-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-usage.js
new file mode 100644
index 0000000000..ed4c12cfed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-method-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-names.js
new file mode 100644
index 0000000000..1609214656
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-private-names.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: private names (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..94601464dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier-initializer.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier.js
new file mode 100644
index 0000000000..68db2471db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-field-identifier.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..862349ac53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter.js
new file mode 100644
index 0000000000..c55a585343
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-getter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..cc30e5ebdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method.js
new file mode 100644
index 0000000000..f6f5151869
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-method.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..e2063f85d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter.js
new file mode 100644
index 0000000000..809832b036
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-private-setter.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..e483dfc68f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..f4ad70edab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..599a9ac8fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..5a08e76397
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-privatename-identifier.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..197216f455
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..a3f00b9df6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..6becb08bc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..456f7860e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..f9616e0a3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,124 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..658f1ab968
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..6de252c327
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..58092cfd01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..9f258beec7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..25f4ca7c49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..f7319852b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..ade77c12db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..bd7086ce7c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..9a22b5740a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..4b3895a898
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-rs-static-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-fields.js
new file mode 100644
index 0000000000..345a9a82fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-fields.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: static private fields (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..e4fd601e4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods-with-fields.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: static private methods with fields (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods.js
new file mode 100644
index 0000000000..270229feb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-static-private-methods.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: static private methods (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-string-literal-names.js
new file mode 100644
index 0000000000..237438afb9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-method-string-literal-names.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-method.template
+/*---
+description: String literal names (field definitions after a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-names.js
new file mode 100644
index 0000000000..b35242c6b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-names.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Computed property names (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  static async *m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+      "10 doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "10"),
+      "10 doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "10", {
+      value: "meep",
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "not initialized", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..aae8b31c6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-computed-symbol-names.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Computed property symbol names (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  static async *m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, x),
+      "Symbol x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, x),
+      "Symbol x doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, x, {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, y),
+      "Symbol y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, y),
+      "Symbol y doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, y, {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+      "y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "y"),
+      "y doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "y"),
+      "y doesn't appear as an own property on C instance"
+    );
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..03f68e5c2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.o(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names-asi.js
new file mode 100644
index 0000000000..65b1d89ceb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names-asi.js
@@ -0,0 +1,93 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Literal property names with ASI (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names.js
new file mode 100644
index 0000000000..d7b166f66b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-literal-names.js
@@ -0,0 +1,112 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Literal property names (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  static async *m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: fn,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-field-usage.js
new file mode 100644
index 0000000000..b0c07e816e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-field-usage.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..5cd30a34b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-getter-usage.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-usage.js
new file mode 100644
index 0000000000..0d89868a9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-method-usage.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-names.js
new file mode 100644
index 0000000000..e26beb8ed4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-private-names.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: private names (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(c.x(), 42, "test 7");
+    assert.sameValue(c.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..4c96073070
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,103 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..00efefb715
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-field-identifier.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    c.$ = 1;
+    c._ = 1;
+    c.\u{6F} = 1;
+    c.\u2118 = 1;
+    c.ZW_\u200C_NJ = 1;
+    c.ZW_\u200D_J = 1;
+
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..fb12e01736
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter-alt.js
@@ -0,0 +1,144 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter.js
new file mode 100644
index 0000000000..87bd8dd98d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-getter.js
@@ -0,0 +1,144 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..bd308a9e5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method-alt.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method.js
new file mode 100644
index 0000000000..0da6b2f5c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-method.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..5a836942f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter-alt.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter.js
new file mode 100644
index 0000000000..fed08f1199
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-private-setter.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..66df105495
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..7f9f67af2e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.℘(), 1);
+    assert.sameValue(c.ZW_‌_NJ(), 1);
+    assert.sameValue(c.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..7c288c4d25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.\u2118(), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(), 1);
+    assert.sameValue(c.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..2444782434
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-privatename-identifier.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..41d3335fbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,151 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.o([1]).next(),
+      C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..b9b0312fcd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,152 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.\u{6F}([1]).next(),
+      C.\u2118([1]).next(),
+      C.ZW_\u200C_NJ([1]).next(),
+      C.ZW_\u200D_J([1]).next(),
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..c8393918b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,151 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.o(1),
+      C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..9d5dda52d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,152 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.\u{6F}(1),
+      C.\u2118(1),
+      C.ZW_\u200C_NJ(1),
+      C.ZW_\u200D_J(1),
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..761cece4b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.o([1]).next().value, 1);
+    assert.sameValue(C.℘([1]).next().value, 1);
+    assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..3ea2b56719
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,141 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.\u{6F}([1]).next().value, 1);
+    assert.sameValue(C.\u2118([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..91f9274f4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..a7bf117c42
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..0f77e9e8eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,126 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ae45b1641c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,126 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..5f13adfca2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,126 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..c7f4af9477
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..0a2c38a716
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..aa7d3bac77
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.\u2118(), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(), 1);
+    assert.sameValue(C.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..18b3ba5665
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,126 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-fields.js
new file mode 100644
index 0000000000..bd3e1e0cee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-fields.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: static private fields (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..e246f8b47e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods-with-fields.js
@@ -0,0 +1,104 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: static private methods with fields (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 13");
+    assert.sameValue(C.y(), 43, "test 14");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods.js
new file mode 100644
index 0000000000..68d55b4ea7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-static-private-methods.js
@@ -0,0 +1,91 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: static private methods (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 86, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-string-literal-names.js
new file mode 100644
index 0000000000..ec25462639
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-gen-string-literal-names.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-gen.template
+/*---
+description: String literal names (field definitions after a static async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static async *m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: 39,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+      "d does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "d"),
+      "d does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "d", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-names.js
new file mode 100644
index 0000000000..45d08b8f74
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-names.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Computed property names (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  static async m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+      "10 doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "10"),
+      "10 doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "10", {
+      value: "meep",
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "not initialized", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-symbol-names.js
new file mode 100644
index 0000000000..84f0a9d350
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-computed-symbol-names.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Computed property symbol names (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  static async m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, x),
+      "Symbol x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, x),
+      "Symbol x doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, x, {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, y),
+      "Symbol y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, y),
+      "Symbol y doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, y, {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+      "y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "y"),
+      "y doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "y"),
+      "y doesn't appear as an own property on C instance"
+    );
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..44434bf5cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,124 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.o(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names-asi.js
new file mode 100644
index 0000000000..b8b32df078
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names-asi.js
@@ -0,0 +1,92 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Literal property names with ASI (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names.js
new file mode 100644
index 0000000000..c3e17e41e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-literal-names.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Literal property names (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  static async m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: fn,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-field-usage.js
new file mode 100644
index 0000000000..d03f6c1397
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-field-usage.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..6aebe67a3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-getter-usage.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-usage.js
new file mode 100644
index 0000000000..06af954028
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-method-usage.js
@@ -0,0 +1,64 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-names.js
new file mode 100644
index 0000000000..c708d97643
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-private-names.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: private names (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(c.x(), 42, "test 7");
+    assert.sameValue(c.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..0478e82a3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier-initializer.js
@@ -0,0 +1,102 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier.js
new file mode 100644
index 0000000000..acc2fc42e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-field-identifier.js
@@ -0,0 +1,109 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    c.$ = 1;
+    c._ = 1;
+    c.\u{6F} = 1;
+    c.\u2118 = 1;
+    c.ZW_\u200C_NJ = 1;
+    c.ZW_\u200D_J = 1;
+
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..b6099085f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter-alt.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter.js
new file mode 100644
index 0000000000..98f74abd65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-getter.js
@@ -0,0 +1,143 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..9487c5a922
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method-alt.js
@@ -0,0 +1,142 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method.js
new file mode 100644
index 0000000000..79d032d5fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-method.js
@@ -0,0 +1,142 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..6b74c9edd0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter-alt.js
@@ -0,0 +1,142 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter.js
new file mode 100644
index 0000000000..c5bf8ab5e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-private-setter.js
@@ -0,0 +1,142 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..05154e2948
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,124 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..fa461c0ec8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,118 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.℘(), 1);
+    assert.sameValue(c.ZW_‌_NJ(), 1);
+    assert.sameValue(c.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..ebe0f2042e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,118 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.\u2118(), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(), 1);
+    assert.sameValue(c.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..85bd1d5f6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-privatename-identifier.js
@@ -0,0 +1,124 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..bdd718f6cc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,150 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.o([1]).next(),
+      C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..d72ce12993
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,151 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.\u{6F}([1]).next(),
+      C.\u2118([1]).next(),
+      C.ZW_\u200C_NJ([1]).next(),
+      C.ZW_\u200D_J([1]).next(),
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..344c1f439b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,150 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.o(1),
+      C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..d2aedfae37
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,151 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.\u{6F}(1),
+      C.\u2118(1),
+      C.ZW_\u200C_NJ(1),
+      C.ZW_\u200D_J(1),
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..4207291845
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,139 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.o([1]).next().value, 1);
+    assert.sameValue(C.℘([1]).next().value, 1);
+    assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..e839471025
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.\u{6F}([1]).next().value, 1);
+    assert.sameValue(C.\u2118([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..4429dda9bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..07dbb5d6ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..de741f808a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..032187502f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..2b45cd6849
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..ae1ee0eeab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..050cce6101
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..868c5a6289
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.\u2118(), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(), 1);
+    assert.sameValue(C.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..439531a775
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-rs-static-privatename-identifier.js
@@ -0,0 +1,125 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-fields.js
new file mode 100644
index 0000000000..8321179c85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-fields.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: static private fields (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..451d1ff4e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods-with-fields.js
@@ -0,0 +1,103 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: static private methods with fields (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 13");
+    assert.sameValue(C.y(), 43, "test 14");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods.js
new file mode 100644
index 0000000000..212944715c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-static-private-methods.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: static private methods (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 86, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-string-literal-names.js
new file mode 100644
index 0000000000..9f166c7de6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-async-method-string-literal-names.js
@@ -0,0 +1,124 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-async-method.template
+/*---
+description: String literal names (field definitions after a static async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static async m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+C.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: 39,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+      "d does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "d"),
+      "d does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "d", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-names.js
new file mode 100644
index 0000000000..7a4af2835c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-names.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Computed property names (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  static *m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..9de02507a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-computed-symbol-names.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Computed property symbol names (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  static *m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..a7e4a814b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names-asi.js
new file mode 100644
index 0000000000..573533abbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names-asi.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Literal property names with ASI (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names.js
new file mode 100644
index 0000000000..d2b667b977
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-literal-names.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Literal property names (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  static *m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-field-usage.js
new file mode 100644
index 0000000000..616b420dd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-field-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..e66e791fc3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-getter-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-usage.js
new file mode 100644
index 0000000000..a79e11f931
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-method-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-names.js
new file mode 100644
index 0000000000..77b88e5621
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-private-names.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: private names (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..b8a6287e9f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..697972b0df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-field-identifier.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..ab50cf85b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter-alt.js
@@ -0,0 +1,131 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter.js
new file mode 100644
index 0000000000..57f505cbd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-getter.js
@@ -0,0 +1,131 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..89f5cf1ac1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method-alt.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method.js
new file mode 100644
index 0000000000..1c5d73f675
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-method.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..b382776e7d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter-alt.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter.js
new file mode 100644
index 0000000000..0bb69a4311
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-private-setter.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2600dcfb6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..d28198e687
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..507fb5ba2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..6be5e99862
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-privatename-identifier.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..e591ba9030
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..e984284638
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..13aceacbbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..a4aef9d4bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..92e3b3d66e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..b84f84a43e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..cee0153caa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..5b8e8822e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..9713e63e6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..7f1543380d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..c814f0615e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..43888c6e25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..3e0f9f7197
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..22059bc30a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..2d39dafc78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-fields.js
new file mode 100644
index 0000000000..13d9a43d2a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-fields.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: static private fields (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..73d35265c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods-with-fields.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: static private methods with fields (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods.js
new file mode 100644
index 0000000000..214c71221e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-static-private-methods.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: static private methods (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, generators, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-string-literal-names.js
new file mode 100644
index 0000000000..15a6f0219c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-gen-string-literal-names.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-gen.template
+/*---
+description: String literal names (field definitions after a static generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static *m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m().next().value, 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-names.js
new file mode 100644
index 0000000000..cb60bd378a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-names.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Computed property names (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  static m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-symbol-names.js
new file mode 100644
index 0000000000..a6f74e7c7b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-computed-symbol-names.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Computed property symbol names (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  static m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..820183bea5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  static m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names-asi.js
new file mode 100644
index 0000000000..9e97c4a255
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names-asi.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Literal property names with ASI (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names.js
new file mode 100644
index 0000000000..3cc1c1be04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-literal-names.js
@@ -0,0 +1,99 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Literal property names (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  static m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-field-usage.js
new file mode 100644
index 0000000000..1fd4217704
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-field-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..35563b45d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-getter-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-usage.js
new file mode 100644
index 0000000000..375648c02c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-method-usage.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  static m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-names.js
new file mode 100644
index 0000000000..1f1891cd9f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-private-names.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: private names (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..0bbf608b42
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier-initializer.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier.js
new file mode 100644
index 0000000000..18ae1d46b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-field-identifier.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid FieldDefinition (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..f3432246aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter-alt.js
@@ -0,0 +1,131 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter.js
new file mode 100644
index 0000000000..0731610a19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-getter.js
@@ -0,0 +1,131 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..d7a7a0e688
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method-alt.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method.js
new file mode 100644
index 0000000000..68a5e5e9e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-method.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..5371131c0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter-alt.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter.js
new file mode 100644
index 0000000000..d15e7d36c4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-private-setter.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..d248e6ac16
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..aca2290a9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..c2f6b16e75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..f5e5e271e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-privatename-identifier.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..99ec2bf733
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..b33d56493a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..5a545abaea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..ea24834124
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..0c423cd562
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..55f868c51e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..58462544d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..a4995abb53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..7d795f14a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..387692ab67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..3a5862090b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..f028117c95
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..ac7380a810
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..ad3e002644
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..86a3bbe364
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-rs-static-privatename-identifier.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: Valid Static PrivateName (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-fields.js
new file mode 100644
index 0000000000..e20e5ac17e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-fields.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: static private fields (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..aa6489c492
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods-with-fields.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: static private methods with fields (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods.js
new file mode 100644
index 0000000000..8ab59dab0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-static-private-methods.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: static private methods (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-string-literal-names.js
new file mode 100644
index 0000000000..a022473b03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/after-same-line-static-method-string-literal-names.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-static-method.template
+/*---
+description: String literal names (field definitions after a static method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert.sameValue(C.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "m"),
+  "m doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(C, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..93c84e4144
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval-arrow-body.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; () => super.x;');
+}
+
+new C().x();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..a228bda128
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval-arrow-body.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; () => super["x"];');
+}
+
+new C().x();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..1cc1113d38
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-arrow-body.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; () => super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..a43bf96f7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-arrow-body.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; () => super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..d0eba15d3f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-arrow-body.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; () => super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..76e3354f61
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+class A {}
+class C extends A {
+  x = (0, eval)('() => super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..4c636fac01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+class A {}
+class C extends A {
+  x = (0, eval)('() => super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..d18d96841d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  x = (0, eval)('() => super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..a8e100c4f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,29 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  x = (0, eval)('() => super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..4c03c94360
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  x = (0, eval)('() => super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..93e5ecfc53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-arguments.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-fields-eval-arrow-body.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = eval('executed = true; () => arguments;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..f8195d0139
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-direct-eval-err-contains-newtarget.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-eval-arrow-body.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = eval('executed = true; () => new.target;');
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x(), undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..c41a3ac458
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+class C {
+  x = (0, eval)('() => new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..aafbecc24a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; () => super.x;');
+  x() {
+    this.#x();
+  }
+}
+
+new C().x();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..7973af8125
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; () => super["x"];');
+  x() {
+    this.#x();
+  }
+}
+
+new C().x();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..21281940b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; () => super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..154041c503
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; () => super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..df7a681804
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; () => super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..407e470762
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+class A {}
+class C extends A {
+  #x = (0, eval)('() => super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..19ace0c9d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+class A {}
+class C extends A {
+  #x = (0, eval)('() => super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..c36853216f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  #x = (0, eval)('() => super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..dcbaf799a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,29 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  #x = (0, eval)('() => super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..637904527e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+class A {}
+class C extends A {
+  #x = (0, eval)('() => super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..f8639d98b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-arguments.js
@@ -0,0 +1,41 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = eval('executed = true; () => arguments;');
+  constructor() {
+    this.#x();
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..3689dc5744
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-direct-eval-err-contains-newtarget.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-eval-arrow-body.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = eval('executed = true; () => new.target;');
+  x() {
+    this.#x();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x(), undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-body-private-indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..3e0afad630
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-body-private-indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-indirect-eval-arrow-body.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+class C {
+  #x = (0, eval)('() => new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-arguments.js
new file mode 100644
index 0000000000..04dfb47d0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-arrow-fnc.template
+/*---
+description: Syntax error if `arguments` used in class field (arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-super.js
new file mode 100644
index 0000000000..14f8d6ce04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/arrow-fnc-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-arrow-fnc.template
+/*---
+description: Syntax error if `super()` used in class field (arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..0e0615f565
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    var \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier.js
new file mode 100644
index 0000000000..503c9a6db4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    var await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..2ddc243efa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    void \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference.js
new file mode 100644
index 0000000000..309e88e2e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    void await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..3c29401caf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    \u0061wait: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier.js
new file mode 100644
index 0000000000..e99c06f91f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/await-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    await: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/browser.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/shell.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..d219716f1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..d27ae33299
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..51d2a2d866
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..8c09fab99e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..03401d007a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier.js
new file mode 100644
index 0000000000..dde2b25edc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { static async *#gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..30ca50da2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,76 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-spread-strict.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [object-spread, async-iteration, class-static-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        return {
+             ...(function() {
+                var yield;
+                throw new Test262Error();
+             }()),
+          }
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..c942f0ba2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-identifier-strict-strict.js
@@ -0,0 +1,67 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-strict.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        (function() {
+            var yield;
+            throw new Test262Error();
+          }())
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-catch.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-catch.js
new file mode 100644
index 0000000000..c2e2d7d1a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-catch.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-catch.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield Promise.reject(error);
+        yield "unreachable";
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}).catch(rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+});
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-async-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-async-iterator.js
new file mode 100644
index 0000000000..cc865c0f2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-async-iterator.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-async-iterator.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield * [Promise.reject(value)] is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        for await (let line of readFile()) {
+          yield line;
+        }
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js
new file mode 100644
index 0000000000..fb2ad34bf8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-for-await-of-sync-iterator.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-sync-iterator.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield Promise.reject(value) in for-await-of is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        for await (let value of iterable) {
+          yield value;
+        }
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-async-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-async-iterator.js
new file mode 100644
index 0000000000..748159fe28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-async-iterator.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-async-iterator.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield * readFile();
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}, $DONE).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-sync-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-sync-iterator.js
new file mode 100644
index 0000000000..9982495eb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next-yield-star-sync-iterator.js
@@ -0,0 +1,75 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-sync-iterator.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield * iterable;
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next.js
new file mode 100644
index 0000000000..25f0f09a64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-promise-reject-next.js
@@ -0,0 +1,72 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield Promise.reject(error);
+        yield "unreachable";
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..65942b1931
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-multiple.js
@@ -0,0 +1,78 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-multiple.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Use yield value in a array spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield [...yield yield];
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+
+item.then(({ done, value }) => {
+  item = iter.next(value);
+
+  item.then(({ done, value }) => {
+    assert.compareArray(value, arr);
+    assert.sameValue(done, false);
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-single.js
new file mode 100644
index 0000000000..67b22e88e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-arr-single.js
@@ -0,0 +1,77 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-single.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Use yield value in a array spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield [...yield];
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next(false);
+var item = iter.next(arr);
+
+item.then(({ done, value }) => {
+  assert.notSameValue(value, arr, 'value is a new array');
+  assert(Array.isArray(value), 'value is an Array exotic object');
+  assert.sameValue(value.length, 3)
+  assert.sameValue(value[0], 'a');
+  assert.sameValue(value[1], 'b');
+  assert.sameValue(value[2], 'c');
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-obj.js
new file mode 100644
index 0000000000..67812bf013
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-spread-obj.js
@@ -0,0 +1,80 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-obj.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Use yield value in a object spread position (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [object-spread, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield {
+            ...yield,
+            y: 1,
+            ...yield yield,
+          };
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+item.then(({ done, value }) => {
+  assert.sameValue(value.x, 42);
+  assert.sameValue(value.y, 39);
+  assert.sameValue(Object.keys(value).length, 2);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-next.js
new file mode 100644
index 0000000000..ddac13eccf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-next.js
@@ -0,0 +1,247 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-next.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Execution order for yield* with async iterator and next() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({ name: "get [Symbol.iterator]" });
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({
+      name: "get [Symbol.asyncIterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.asyncIterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "asyncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-promise-1",
+                get then() {
+                  log.push({
+                    name: "get next then (1)",
+                    thisValue: this
+                  });
+                  return function(resolve) {
+                    log.push({
+                      name: "call next then (1)",
+                      thisValue: this,
+                      args: [...arguments]
+                    });
+
+                    resolve({
+                      name: "next-result-1",
+                      get value() {
+                        log.push({
+                          name: "get next value (1)",
+                          thisValue: this
+                        });
+                        return "next-value-1";
+                      },
+                      get done() {
+                        log.push({
+                          name: "get next done (1)",
+                          thisValue: this
+                        });
+                        return false;
+                      }
+                    });
+                  };
+                }
+              };
+            }
+
+            return {
+              name: "next-promise-2",
+              get then() {
+                log.push({
+                  name: "get next then (2)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call next then (2)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "next-result-2",
+                    get value() {
+                      log.push({
+                        name: "get next value (2)",
+                        thisValue: this
+                      });
+                      return "next-value-2";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get next done (2)",
+                        thisValue: this
+                      });
+                      return true;
+                    }
+                  });
+                };
+              }
+            };
+          };
+        }
+      };
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+  assert.sameValue(log[1].thisValue, obj, "get [Symbol.asyncIterator] thisValue");
+
+  assert.sameValue(log[2].name, "call [Symbol.asyncIterator]");
+  assert.sameValue(log[2].thisValue, obj, "[Symbol.asyncIterator] thisValue");
+  assert.sameValue(log[2].args.length, 0, "[Symbol.asyncIterator] args.length");
+
+  assert.sameValue(log[3].name, "get next");
+  assert.sameValue(log[3].thisValue.name, "asyncIterator", "get next thisValue");
+
+  assert.sameValue(log[4].name, "call next");
+  assert.sameValue(log[4].thisValue.name, "asyncIterator", "next thisValue");
+  assert.sameValue(log[4].args.length, 1, "next args.length");
+  assert.sameValue(log[4].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[5].name, "get next then (1)");
+  assert.sameValue(log[5].thisValue.name, "next-promise-1", "get next then thisValue");
+
+  assert.sameValue(log[6].name, "call next then (1)");
+  assert.sameValue(log[6].thisValue.name, "next-promise-1", "next then thisValue");
+  assert.sameValue(log[6].args.length, 2, "next then args.length");
+  assert.sameValue(typeof log[6].args[0], "function", "next then args[0]");
+  assert.sameValue(typeof log[6].args[1], "function", "next then args[1]");
+
+  assert.sameValue(log[7].name, "get next done (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[8].name, "get next value (1)");
+  assert.sameValue(log[8].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 9, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[9].name, "call next");
+    assert.sameValue(log[9].thisValue.name, "asyncIterator", "next thisValue");
+    assert.sameValue(log[9].args.length, 1, "next args.length");
+    assert.sameValue(log[9].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[10].name, "get next then (2)");
+    assert.sameValue(log[10].thisValue.name, "next-promise-2", "get next then thisValue");
+
+    assert.sameValue(log[11].name, "call next then (2)");
+    assert.sameValue(log[11].thisValue.name, "next-promise-2", "next then thisValue");
+    assert.sameValue(log[11].args.length, 2, "next then args.length");
+    assert.sameValue(typeof log[11].args[0], "function", "next then args[0]");
+    assert.sameValue(typeof log[11].args[1], "function", "next then args[1]");
+
+    assert.sameValue(log[12].name, "get next done (2)");
+    assert.sameValue(log[12].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[13].name, "get next value (2)");
+    assert.sameValue(log[13].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[14].name, "after yield*");
+    assert.sameValue(log[14].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 15, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-return.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-return.js
new file mode 100644
index 0000000000..3c4a474b2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-return.js
@@ -0,0 +1,263 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-return.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: execution order for yield* with async iterator and return() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, Symbol.asyncIterator, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator, « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. If generatorKind is async, then set value to ? Await(value).
+             3. Return Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}.
+        ix. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+        ...
+
+    AsyncGeneratorYield ( value )
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var returnCount = 0;
+    return {
+      name: 'asyncIterator',
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-promise-1",
+              get then() {
+                log.push({
+                  name: "get return then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call return then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "return-result-1",
+                    get value() {
+                      log.push({
+                        name: "get return value (1)",
+                        thisValue: this
+                      });
+                      return "return-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get return done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "return-promise-2",
+            get then() {
+              log.push({
+                name: "get return then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call return then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "return-result-2",
+                  get value() {
+                    log.push({
+                      name: "get return value (2)",
+                      thisValue: this
+                    });
+                    return "return-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get return done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          yield* obj;
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return then (1)");
+    assert.sameValue(log[4].thisValue.name, "return-promise-1", "get return then thisValue");
+
+    assert.sameValue(log[5].name, "call return then (1)");
+    assert.sameValue(log[5].thisValue.name, "return-promise-1", "return then thisValue");
+    assert.sameValue(log[5].args.length, 2, "return then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "return then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "return then args[1]");
+
+    assert.sameValue(log[6].name, "get return done (1)");
+    assert.sameValue(log[6].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[7].name, "get return value (1)");
+    assert.sameValue(log[7].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.return("return-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get return");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get return thisValue");
+
+      assert.sameValue(log[9].name, "call return");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "return thisValue");
+      assert.sameValue(log[9].args.length, 1, "return args.length");
+      assert.sameValue(log[9].args[0], "return-arg-2", "return args[0]");
+
+      assert.sameValue(log[10].name, "get return then (2)");
+      assert.sameValue(log[10].thisValue.name, "return-promise-2", "get return then thisValue");
+
+      assert.sameValue(log[11].name, "call return then (2)");
+      assert.sameValue(log[11].thisValue.name, "return-promise-2", "return then thisValue");
+      assert.sameValue(log[11].args.length, 2, "return then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "return then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "return then args[1]");
+
+      assert.sameValue(log[12].name, "get return done (2)");
+      assert.sameValue(log[12].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[13].name, "get return value (2)");
+      assert.sameValue(log[13].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 14, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-throw.js
new file mode 100644
index 0000000000..6627b10e60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-async-throw.js
@@ -0,0 +1,271 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: execution order for yield* with async iterator and throw() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, Symbol.asyncIterator, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Let resultValue be Return ? IteratorValue(innerResult).
+            b. If generatorKind is async, then set resultValue to ? Await(resultValue).
+            c. Return resultValue.
+          7. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+      ...
+
+    AsyncGeneratorYield ( value )
+
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var throwCount = 0;
+    return {
+      name: "asyncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-promise-1",
+              get then() {
+                log.push({
+                  name: "get throw then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call throw then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "throw-result-1",
+                    get value() {
+                      log.push({
+                        name: "get throw value (1)",
+                        thisValue: this
+                      });
+                      return "throw-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get throw done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "throw-promise-2",
+            get then() {
+              log.push({
+                name: "get throw then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call throw then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "throw-result-2",
+                  get value() {
+                    log.push({
+                      name: "get throw value (2)",
+                      thisValue: this
+                    });
+                    return "throw-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get throw done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw then (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-promise-1", "get throw thisValue");
+
+    assert.sameValue(log[5].name, "call throw then (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-promise-1", "throw thisValue");
+    assert.sameValue(log[5].args.length, 2, "throw then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "throw then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "throw then args[1]");
+
+    assert.sameValue(log[6].name, "get throw done (1)");
+    assert.sameValue(log[6].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[7].name, "get throw value (1)");
+    assert.sameValue(log[7].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.throw("throw-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get throw");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get throw thisValue");
+
+      assert.sameValue(log[9].name, "call throw");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "throw thisValue");
+      assert.sameValue(log[9].args.length, 1, "throw args.length");
+      assert.sameValue(log[9].args[0], "throw-arg-2", "throw args[0]");
+
+      assert.sameValue(log[10].name, "get throw then (2)");
+      assert.sameValue(log[10].thisValue.name, "throw-promise-2", "get throw thisValue");
+
+      assert.sameValue(log[11].name, "call throw then (2)");
+      assert.sameValue(log[11].thisValue.name, "throw-promise-2", "throw thisValue");
+      assert.sameValue(log[11].args.length, 2, "throw then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "throw then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "throw then args[1]");
+
+      assert.sameValue(log[12].name, "get throw done (2)");
+      assert.sameValue(log[12].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[13].name, "get throw value (2)");
+      assert.sameValue(log[13].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[14].name, "after yield*");
+      assert.sameValue(log[14].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 15, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-expr-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-expr-abrupt.js
new file mode 100644
index 0000000000..8e47406b79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-expr-abrupt.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-expr-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting yield* operand (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    ...
+
+---*/
+var obj = {};
+var abrupt = function() {
+  throw obj;
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* abrupt();
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, obj, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-get-abrupt.js
new file mode 100644
index 0000000000..c97c341790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-get-abrupt.js
@@ -0,0 +1,102 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting [Symbol.asyncIterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  get [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..55f538fe56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-boolean-throw.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-number-throw.js
new file mode 100644
index 0000000000..1014533cbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-number-throw.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-object-throw.js
new file mode 100644
index 0000000000..d883087711
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-object-throw.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-string-throw.js
new file mode 100644
index 0000000000..0c93ce30d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-string-throw.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..671d88533b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-not-callable-symbol-throw.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: Symbol.asyncIterator
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-null-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-null-sync-get-abrupt.js
new file mode 100644
index 0000000000..6bfab44818
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-null-sync-get-abrupt.js
@@ -0,0 +1,107 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-null-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting @@iterator after null @@asyncIterator (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-abrupt.js
new file mode 100644
index 0000000000..59c737afa7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-abrupt.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while calling [Symbol.asyncIterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-boolean-throw.js
new file mode 100644
index 0000000000..bb47a63b8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-boolean-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-null-throw.js
new file mode 100644
index 0000000000..3d714358e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-null-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-number-throw.js
new file mode 100644
index 0000000000..2ef5888a9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-number-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return 42;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-string-throw.js
new file mode 100644
index 0000000000..dca0dd2b18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-string-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return '42';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-symbol-throw.js
new file mode 100644
index 0000000000..b1f79aad56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-symbol-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return Symbol.asyncIterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-undefined-throw.js
new file mode 100644
index 0000000000..d242e4b5af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-returns-undefined-throw.js
@@ -0,0 +1,98 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js
new file mode 100644
index 0000000000..c4697dc91e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-async-undefined-sync-get-abrupt.js
@@ -0,0 +1,107 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-undefined-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting @@iterator after undefined @@asyncIterator (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-get-abrupt.js
new file mode 100644
index 0000000000..f2166f1822
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-get-abrupt.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting [Symbol.iterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..a51bb1dc62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-boolean-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-number-throw.js
new file mode 100644
index 0000000000..9ee061597c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-number-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-object-throw.js
new file mode 100644
index 0000000000..cdb8723bed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-object-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-string-throw.js
new file mode 100644
index 0000000000..21ea26481e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-string-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..b43852feb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-not-callable-symbol-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: Symbol.iterator
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-abrupt.js
new file mode 100644
index 0000000000..676d38e67d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-abrupt.js
@@ -0,0 +1,95 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while calling [Symbol.iterator] (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-boolean-throw.js
new file mode 100644
index 0000000000..ff94fc055e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-boolean-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-null-throw.js
new file mode 100644
index 0000000000..d6da5ff2fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-null-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-number-throw.js
new file mode 100644
index 0000000000..db0e8b7ef8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-number-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return 0;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-string-throw.js
new file mode 100644
index 0000000000..906b3fb983
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-string-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return '';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-symbol-throw.js
new file mode 100644
index 0000000000..b98f887f1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-symbol-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return Symbol.iterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-undefined-throw.js
new file mode 100644
index 0000000000..df045b3506
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-getiter-sync-returns-undefined-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-done-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-done-get-abrupt.js
new file mode 100644
index 0000000000..f4f4bfcaa2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-done-get-abrupt.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-done-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting done (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get done() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-returns-abrupt.js
new file mode 100644
index 0000000000..44d53c9aeb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-returns-abrupt.js
@@ -0,0 +1,93 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while calling next (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-value-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-value-get-abrupt.js
new file mode 100644
index 0000000000..c67b429835
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-call-value-get-abrupt.js
@@ -0,0 +1,103 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-value-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting value (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          done: true,
+          get value() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-get-abrupt.js
new file mode 100644
index 0000000000..08dffdc7f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-get-abrupt.js
@@ -0,0 +1,93 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Abrupt completion while getting next (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      get next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-non-object-ignores-then.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-non-object-ignores-then.js
new file mode 100644
index 0000000000..3f0aa165b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-non-object-ignores-then.js
@@ -0,0 +1,113 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-non-object-ignores-then.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: If next() value is not-object, do not access respective then property (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+
+---*/
+Number.prototype.then = function() {
+  throw new Test262Error('Number#then should not be used');
+};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return 42;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, 'TypeError');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..3464f628ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-boolean-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - boolean (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: true
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-null-throw.js
new file mode 100644
index 0000000000..57da39aeca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-null-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-null-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - null (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: null
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-number-throw.js
new file mode 100644
index 0000000000..8085cdc57a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-number-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - number (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: 42
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-object-throw.js
new file mode 100644
index 0000000000..c6a88ebefe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-object-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - object (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: {}
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-string-throw.js
new file mode 100644
index 0000000000..d4a7d99cbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-string-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - string (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: ''
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..c1af4d3e4a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-symbol-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - symbol (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: Symbol('oi')
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-undefined-throw.js
new file mode 100644
index 0000000000..642e08097b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-not-callable-undefined-throw.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-undefined-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Not-callable next value in a yield star position - undefined (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: undefined
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-get-abrupt.js
new file mode 100644
index 0000000000..03d1fb048b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-get-abrupt.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-get-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Return abrupt after getting next().then (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js
new file mode 100644
index 0000000000..25c210f1bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-boolean-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-boolean-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (boolean) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: true,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js
new file mode 100644
index 0000000000..b3f296d63a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-null-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-null-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (null) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: null,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js
new file mode 100644
index 0000000000..ba523fd14b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-number-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-number-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (number) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: 39,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js
new file mode 100644
index 0000000000..d333662616
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-object-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-object-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (object) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: {},
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js
new file mode 100644
index 0000000000..b5b2c43cfc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-string-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-string-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (string) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: '',
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js
new file mode 100644
index 0000000000..3a79a2c162
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-symbol-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-symbol-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (symbol) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: Symbol('oi'),
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js
new file mode 100644
index 0000000000..dfbd1f5642
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-non-callable-undefined-fulfillpromise.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-undefined-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (undefined) (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: undefined,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-returns-abrupt.js
new file mode 100644
index 0000000000..5b23bd00c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-next-then-returns-abrupt.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: Return abrupt after calling next().then (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-next.js
new file mode 100644
index 0000000000..b89eab149d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-next.js
@@ -0,0 +1,250 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-next.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: execution order for yield* with sync iterator and next() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    5. Let received be NormalCompletion(undefined).
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]).
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+        vii. Let received be GeneratorYield(innerResult).
+      ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    %AsyncFromSyncIteratorPrototype%.next ( value )
+
+    ...
+    5. Let nextResult be IteratorNext(syncIterator, value).
+    ...
+    7. Let nextValue be IteratorValue(nextResult).
+    ...
+    9. Let nextDone be IteratorComplete(nextResult).
+    ...
+    12. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « nextValue »).
+    ...
+    14. Set onFulfilled.[[Done]] to nextDone.
+    15. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+    Async Iterator Value Unwrap Functions
+
+    1. Return ! CreateIterResultObject(value, F.[[Done]]).
+
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({
+      name: "get [Symbol.iterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.iterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "syncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-result-1",
+                get value() {
+                  log.push({
+                    name: "get next value (1)",
+                    thisValue: this
+                  });
+                  return "next-value-1";
+                },
+                get done() {
+                  log.push({
+                    name: "get next done (1)",
+                    thisValue: this
+                  });
+                  return false;
+                }
+              };
+            }
+
+            return {
+              name: "next-result-2",
+              get value() {
+                log.push({
+                  name: "get next value (2)",
+                  thisValue: this
+                });
+                return "next-value-2";
+              },
+              get done() {
+                log.push({
+                  name: "get next done (2)",
+                  thisValue: this
+                });
+                return true;
+              }
+            };
+          };
+        }
+      };
+    };
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({ name: "get [Symbol.asyncIterator]" });
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+
+  assert.sameValue(log[2].name, "get [Symbol.iterator]");
+  assert.sameValue(log[2].thisValue, obj, "get [Symbol.iterator] thisValue");
+
+  assert.sameValue(log[3].name, "call [Symbol.iterator]");
+  assert.sameValue(log[3].thisValue, obj, "[Symbol.iterator] thisValue");
+  assert.sameValue(log[3].args.length, 0, "[Symbol.iterator] args.length");
+
+  assert.sameValue(log[4].name, "get next");
+  assert.sameValue(log[4].thisValue.name, "syncIterator", "get next thisValue");
+
+  assert.sameValue(log[5].name, "call next");
+  assert.sameValue(log[5].thisValue.name, "syncIterator", "next thisValue");
+  assert.sameValue(log[5].args.length, 1, "next args.length");
+  assert.sameValue(log[5].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[6].name, "get next done (1)");
+  assert.sameValue(log[6].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[7].name, "get next value (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 8, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[8].name, "call next");
+    assert.sameValue(log[8].thisValue.name, "syncIterator", "next thisValue");
+    assert.sameValue(log[8].args.length, 1, "next args.length");
+    assert.sameValue(log[8].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[9].name, "get next done (2)");
+    assert.sameValue(log[9].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[10].name, "get next value (2)");
+    assert.sameValue(log[10].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[11].name, "after yield*");
+    assert.sameValue(log[11].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 12, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-return.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-return.js
new file mode 100644
index 0000000000..77a9271528
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-return.js
@@ -0,0 +1,225 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-return.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: execution order for yield* with sync iterator and return() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator,
+            « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to
+           ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. Return Completion{[[Type]]: return, [[Value]]: value,
+                [[Target]]: empty}.
+        ix. Let received be GeneratorYield(innerResult).
+
+    %AsyncFromSyncIteratorPrototype%.return ( value )
+
+    5. Let return be GetMethod(syncIterator, "return").
+    ...
+    ...
+    8. Let returnResult be Call(return, syncIterator, « value »).
+    ...
+    11. Let returnValue be IteratorValue(returnResult).
+    ..
+    13. Let returnDone be IteratorComplete(returnResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined, « returnValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to returnDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var returnCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-result-1",
+              get value() {
+                log.push({
+                  name: "get return value (1)",
+                  thisValue: this
+                });
+                return "return-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get return done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "return-result-2",
+            get value() {
+              log.push({
+                name: "get return value (2)",
+                thisValue: this
+              });
+              return "return-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get return done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          yield* obj;
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return done (1)");
+    assert.sameValue(log[4].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[5].name, "get return value (1)");
+    assert.sameValue(log[5].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.return().then(v => {
+      assert.sameValue(log[6].name, "get return");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get return thisValue");
+
+      assert.sameValue(log[7].name, "call return");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "get return thisValue");
+      assert.sameValue(log[7].args.length, 1, "return args.length");
+      assert.sameValue(log[7].args[0], undefined, "return args[0]");
+
+      assert.sameValue(log[8].name, "get return done (2)");
+      assert.sameValue(log[8].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[9].name, "get return value (2)");
+      assert.sameValue(log[9].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 10, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-throw.js
new file mode 100644
index 0000000000..dfb64cf844
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method-static/yield-star-sync-throw.js
@@ -0,0 +1,231 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-throw.case
+// - src/async-generators/default/async-class-decl-static-private-method.template
+/*---
+description: execution order for yield* with sync iterator and throw() (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Return ? IteratorValue(innerResult).
+          7. Let received be GeneratorYield(innerResult).
+      ...
+
+    %AsyncFromSyncIteratorPrototype%.throw ( value )
+
+    ...
+    5. Let throw be GetMethod(syncIterator, "throw").
+    ...
+    8. Let throwResult be Call(throw, syncIterator, « value »).
+    ...
+    11. Let throwValue be IteratorValue(throwResult).
+    ...
+    13. Let throwDone be IteratorComplete(throwResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « throwValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to throwDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var throwCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-result-1",
+              get value() {
+                log.push({
+                  name: "get throw value (1)",
+                  thisValue: this
+                });
+                return "throw-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get throw done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "throw-result-2",
+            get value() {
+              log.push({
+                name: "get throw value (2)",
+                thisValue: this
+              });
+              return "throw-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get throw done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    static async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw done (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[5].name, "get throw value (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.throw().then(v => {
+      assert.sameValue(log[6].name, "get throw");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get throw thisValue");
+
+      assert.sameValue(log[7].name, "call throw");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "throw thisValue");
+      assert.sameValue(log[7].args.length, 1, "throw args.length");
+      assert.sameValue(log[7].args[0], undefined, "throw args[0]");
+
+      assert.sameValue(log[8].name, "get throw done (2)");
+      assert.sameValue(log[8].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[9].name, "get throw value (2)");
+      assert.sameValue(log[9].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[10].name, "after yield*");
+      assert.sameValue(log[10].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 11, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..9e78aaed3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    var \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier.js
new file mode 100644
index 0000000000..1e8be0a40c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    var await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..3946d6a560
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    void \u0061wait;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference.js
new file mode 100644
index 0000000000..7eab728df7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    void await;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..94641fd63d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    \u0061wait: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier.js
new file mode 100644
index 0000000000..5af287c972
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/await-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/await-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    await: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/browser.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/shell.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..589fa48c4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..27697e049c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-binding-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-binding-identifier.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..d67ee05eb5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..110db6d7e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-identifier-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-identifier-reference.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..6f91bff379
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier-escaped.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier-escaped.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier.js
new file mode 100644
index 0000000000..a35f903c9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-as-label-identifier.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-as-label-identifier.case
+// - src/async-generators/syntax/async-class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async Generator private method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [async-iteration, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * # PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C { async *#gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..ae61f6aca5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-spread-strict.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [object-spread, async-iteration, class-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        return {
+             ...(function() {
+                var yield;
+                throw new Test262Error();
+             }()),
+          }
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..3f4c11a46a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-identifier-strict-strict.js
@@ -0,0 +1,77 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-strict.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        (function() {
+            var yield;
+            throw new Test262Error();
+          }())
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-catch.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-catch.js
new file mode 100644
index 0000000000..8d8733af64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-catch.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-catch.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield Promise.reject(error);
+        yield "unreachable";
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}).catch(rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+});
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-async-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-async-iterator.js
new file mode 100644
index 0000000000..04582ff261
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-async-iterator.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-async-iterator.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield * [Promise.reject(value)] is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        for await (let line of readFile()) {
+          yield line;
+        }
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-sync-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-sync-iterator.js
new file mode 100644
index 0000000000..50f8910ce2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-for-await-of-sync-iterator.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-for-await-of-sync-iterator.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield Promise.reject(value) in for-await-of is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        for await (let value of iterable) {
+          yield value;
+        }
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-async-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-async-iterator.js
new file mode 100644
index 0000000000..c169a9cfd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-async-iterator.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-async-iterator.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+async function * readFile() {
+  yield Promise.reject(error);
+  yield "unreachable";
+}
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield * readFile();
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}, $DONE).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-sync-iterator.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-sync-iterator.js
new file mode 100644
index 0000000000..dab0435550
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next-yield-star-sync-iterator.js
@@ -0,0 +1,85 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next-yield-star-sync-iterator.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield * (async iterator) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+let iterable = [
+  Promise.reject(error),
+  "unreachable"
+];
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield * iterable;
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next.js
new file mode 100644
index 0000000000..8501934ec7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-promise-reject-next.js
@@ -0,0 +1,82 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-promise-reject-next.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: yield Promise.reject(value) is treated as throw value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+---*/
+let error = new Error();
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield Promise.reject(error);
+        yield "unreachable";
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error("Promise incorrectly resolved.");
+}, rejectValue => {
+  // yield Promise.reject(error);
+  assert.sameValue(rejectValue, error);
+
+  iter.next().then(({done, value}) => {
+    // iter is closed now.
+    assert.sameValue(done, true, "The value of IteratorResult.done is `true`");
+    assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..eaad1ac942
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-multiple.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-multiple.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Use yield value in a array spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield [...yield yield];
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+
+item.then(({ done, value }) => {
+  item = iter.next(value);
+
+  item.then(({ done, value }) => {
+    assert.compareArray(value, arr);
+    assert.sameValue(done, false);
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-single.js
new file mode 100644
index 0000000000..760230055e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-arr-single.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-arr-single.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Use yield value in a array spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield [...yield];
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next(false);
+var item = iter.next(arr);
+
+item.then(({ done, value }) => {
+  assert.notSameValue(value, arr, 'value is a new array');
+  assert(Array.isArray(value), 'value is an Array exotic object');
+  assert.sameValue(value.length, 3)
+  assert.sameValue(value[0], 'a');
+  assert.sameValue(value[1], 'b');
+  assert.sameValue(value[2], 'c');
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-obj.js
new file mode 100644
index 0000000000..bb1db84550
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-spread-obj.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-obj.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Use yield value in a object spread position (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [object-spread, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield {
+            ...yield,
+            y: 1,
+            ...yield yield,
+          };
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+item.then(({ done, value }) => {
+  assert.sameValue(value.x, 42);
+  assert.sameValue(value.y, 39);
+  assert.sameValue(Object.keys(value).length, 2);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-next.js
new file mode 100644
index 0000000000..fa862ba92d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-next.js
@@ -0,0 +1,257 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-next.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Execution order for yield* with async iterator and next() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({ name: "get [Symbol.iterator]" });
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({
+      name: "get [Symbol.asyncIterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.asyncIterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "asyncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-promise-1",
+                get then() {
+                  log.push({
+                    name: "get next then (1)",
+                    thisValue: this
+                  });
+                  return function(resolve) {
+                    log.push({
+                      name: "call next then (1)",
+                      thisValue: this,
+                      args: [...arguments]
+                    });
+
+                    resolve({
+                      name: "next-result-1",
+                      get value() {
+                        log.push({
+                          name: "get next value (1)",
+                          thisValue: this
+                        });
+                        return "next-value-1";
+                      },
+                      get done() {
+                        log.push({
+                          name: "get next done (1)",
+                          thisValue: this
+                        });
+                        return false;
+                      }
+                    });
+                  };
+                }
+              };
+            }
+
+            return {
+              name: "next-promise-2",
+              get then() {
+                log.push({
+                  name: "get next then (2)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call next then (2)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "next-result-2",
+                    get value() {
+                      log.push({
+                        name: "get next value (2)",
+                        thisValue: this
+                      });
+                      return "next-value-2";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get next done (2)",
+                        thisValue: this
+                      });
+                      return true;
+                    }
+                  });
+                };
+              }
+            };
+          };
+        }
+      };
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+  assert.sameValue(log[1].thisValue, obj, "get [Symbol.asyncIterator] thisValue");
+
+  assert.sameValue(log[2].name, "call [Symbol.asyncIterator]");
+  assert.sameValue(log[2].thisValue, obj, "[Symbol.asyncIterator] thisValue");
+  assert.sameValue(log[2].args.length, 0, "[Symbol.asyncIterator] args.length");
+
+  assert.sameValue(log[3].name, "get next");
+  assert.sameValue(log[3].thisValue.name, "asyncIterator", "get next thisValue");
+
+  assert.sameValue(log[4].name, "call next");
+  assert.sameValue(log[4].thisValue.name, "asyncIterator", "next thisValue");
+  assert.sameValue(log[4].args.length, 1, "next args.length");
+  assert.sameValue(log[4].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[5].name, "get next then (1)");
+  assert.sameValue(log[5].thisValue.name, "next-promise-1", "get next then thisValue");
+
+  assert.sameValue(log[6].name, "call next then (1)");
+  assert.sameValue(log[6].thisValue.name, "next-promise-1", "next then thisValue");
+  assert.sameValue(log[6].args.length, 2, "next then args.length");
+  assert.sameValue(typeof log[6].args[0], "function", "next then args[0]");
+  assert.sameValue(typeof log[6].args[1], "function", "next then args[1]");
+
+  assert.sameValue(log[7].name, "get next done (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[8].name, "get next value (1)");
+  assert.sameValue(log[8].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 9, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[9].name, "call next");
+    assert.sameValue(log[9].thisValue.name, "asyncIterator", "next thisValue");
+    assert.sameValue(log[9].args.length, 1, "next args.length");
+    assert.sameValue(log[9].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[10].name, "get next then (2)");
+    assert.sameValue(log[10].thisValue.name, "next-promise-2", "get next then thisValue");
+
+    assert.sameValue(log[11].name, "call next then (2)");
+    assert.sameValue(log[11].thisValue.name, "next-promise-2", "next then thisValue");
+    assert.sameValue(log[11].args.length, 2, "next then args.length");
+    assert.sameValue(typeof log[11].args[0], "function", "next then args[0]");
+    assert.sameValue(typeof log[11].args[1], "function", "next then args[1]");
+
+    assert.sameValue(log[12].name, "get next done (2)");
+    assert.sameValue(log[12].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[13].name, "get next value (2)");
+    assert.sameValue(log[13].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[14].name, "after yield*");
+    assert.sameValue(log[14].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 15, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-return.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-return.js
new file mode 100644
index 0000000000..eb160aa548
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-return.js
@@ -0,0 +1,273 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-return.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: execution order for yield* with async iterator and return() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, Symbol.asyncIterator, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator, « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. If generatorKind is async, then set value to ? Await(value).
+             3. Return Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}.
+        ix. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+        ...
+
+    AsyncGeneratorYield ( value )
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var returnCount = 0;
+    return {
+      name: 'asyncIterator',
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-promise-1",
+              get then() {
+                log.push({
+                  name: "get return then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call return then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "return-result-1",
+                    get value() {
+                      log.push({
+                        name: "get return value (1)",
+                        thisValue: this
+                      });
+                      return "return-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get return done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "return-promise-2",
+            get then() {
+              log.push({
+                name: "get return then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call return then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "return-result-2",
+                  get value() {
+                    log.push({
+                      name: "get return value (2)",
+                      thisValue: this
+                    });
+                    return "return-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get return done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          yield* obj;
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return then (1)");
+    assert.sameValue(log[4].thisValue.name, "return-promise-1", "get return then thisValue");
+
+    assert.sameValue(log[5].name, "call return then (1)");
+    assert.sameValue(log[5].thisValue.name, "return-promise-1", "return then thisValue");
+    assert.sameValue(log[5].args.length, 2, "return then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "return then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "return then args[1]");
+
+    assert.sameValue(log[6].name, "get return done (1)");
+    assert.sameValue(log[6].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[7].name, "get return value (1)");
+    assert.sameValue(log[7].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.return("return-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get return");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get return thisValue");
+
+      assert.sameValue(log[9].name, "call return");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "return thisValue");
+      assert.sameValue(log[9].args.length, 1, "return args.length");
+      assert.sameValue(log[9].args[0], "return-arg-2", "return args[0]");
+
+      assert.sameValue(log[10].name, "get return then (2)");
+      assert.sameValue(log[10].thisValue.name, "return-promise-2", "get return then thisValue");
+
+      assert.sameValue(log[11].name, "call return then (2)");
+      assert.sameValue(log[11].thisValue.name, "return-promise-2", "return then thisValue");
+      assert.sameValue(log[11].args.length, 2, "return then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "return then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "return then args[1]");
+
+      assert.sameValue(log[12].name, "get return done (2)");
+      assert.sameValue(log[12].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[13].name, "get return value (2)");
+      assert.sameValue(log[13].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 14, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-throw.js
new file mode 100644
index 0000000000..96ff255a2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-async-throw.js
@@ -0,0 +1,281 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-async-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: execution order for yield* with async iterator and throw() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, Symbol.asyncIterator, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Let resultValue be Return ? IteratorValue(innerResult).
+            b. If generatorKind is async, then set resultValue to ? Await(resultValue).
+            c. Return resultValue.
+          7. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)).
+      ...
+
+    AsyncGeneratorYield ( value )
+
+    ...
+    8. Return ! AsyncGeneratorResolve(generator, value, false).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.asyncIterator]() {
+    var throwCount = 0;
+    return {
+      name: "asyncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-promise-1",
+              get then() {
+                log.push({
+                  name: "get throw then (1)",
+                  thisValue: this
+                });
+                return function(resolve) {
+                  log.push({
+                    name: "call throw then (1)",
+                    thisValue: this,
+                    args: [...arguments]
+                  });
+
+                  resolve({
+                    name: "throw-result-1",
+                    get value() {
+                      log.push({
+                        name: "get throw value (1)",
+                        thisValue: this
+                      });
+                      return "throw-value-1";
+                    },
+                    get done() {
+                      log.push({
+                        name: "get throw done (1)",
+                        thisValue: this
+                      });
+                      return false;
+                    }
+                  });
+                };
+              }
+            };
+          }
+
+          return {
+            name: "throw-promise-2",
+            get then() {
+              log.push({
+                name: "get throw then (2)",
+                thisValue: this
+              });
+              return function(resolve) {
+                log.push({
+                  name: "call throw then (2)",
+                  thisValue: this,
+                  args: [...arguments]
+                });
+
+                resolve({
+                  name: "throw-result-2",
+                  get value() {
+                    log.push({
+                      name: "get throw value (2)",
+                      thisValue: this
+                    });
+                    return "throw-value-2";
+                  },
+                  get done() {
+                    log.push({
+                      name: "get throw done (2)",
+                      thisValue: this
+                    });
+                    return true;
+                  }
+                });
+              };
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "asyncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "asyncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw then (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-promise-1", "get throw thisValue");
+
+    assert.sameValue(log[5].name, "call throw then (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-promise-1", "throw thisValue");
+    assert.sameValue(log[5].args.length, 2, "throw then args.length");
+    assert.sameValue(typeof log[5].args[0], "function", "throw then args[0]");
+    assert.sameValue(typeof log[5].args[1], "function", "throw then args[1]");
+
+    assert.sameValue(log[6].name, "get throw done (1)");
+    assert.sameValue(log[6].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[7].name, "get throw value (1)");
+    assert.sameValue(log[7].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 8, "log.length");
+
+    iter.throw("throw-arg-2").then(v => {
+      assert.sameValue(log[8].name, "get throw");
+      assert.sameValue(log[8].thisValue.name, "asyncIterator", "get throw thisValue");
+
+      assert.sameValue(log[9].name, "call throw");
+      assert.sameValue(log[9].thisValue.name, "asyncIterator", "throw thisValue");
+      assert.sameValue(log[9].args.length, 1, "throw args.length");
+      assert.sameValue(log[9].args[0], "throw-arg-2", "throw args[0]");
+
+      assert.sameValue(log[10].name, "get throw then (2)");
+      assert.sameValue(log[10].thisValue.name, "throw-promise-2", "get throw thisValue");
+
+      assert.sameValue(log[11].name, "call throw then (2)");
+      assert.sameValue(log[11].thisValue.name, "throw-promise-2", "throw thisValue");
+      assert.sameValue(log[11].args.length, 2, "throw then args.length");
+      assert.sameValue(typeof log[11].args[0], "function", "throw then args[0]");
+      assert.sameValue(typeof log[11].args[1], "function", "throw then args[1]");
+
+      assert.sameValue(log[12].name, "get throw done (2)");
+      assert.sameValue(log[12].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[13].name, "get throw value (2)");
+      assert.sameValue(log[13].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[14].name, "after yield*");
+      assert.sameValue(log[14].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 15, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-expr-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-expr-abrupt.js
new file mode 100644
index 0000000000..91d08ffc93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-expr-abrupt.js
@@ -0,0 +1,92 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-expr-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting yield* operand (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    ...
+
+---*/
+var obj = {};
+var abrupt = function() {
+  throw obj;
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* abrupt();
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, obj, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-get-abrupt.js
new file mode 100644
index 0000000000..2b0d311b2e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-get-abrupt.js
@@ -0,0 +1,112 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting [Symbol.asyncIterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  get [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..b5a7b2a394
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-boolean-throw.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-number-throw.js
new file mode 100644
index 0000000000..7bfc8e0dbf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-number-throw.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-object-throw.js
new file mode 100644
index 0000000000..2bd00fd6a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-object-throw.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-string-throw.js
new file mode 100644
index 0000000000..077c8f6745
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-string-throw.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..443ac26876
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-not-callable-symbol-throw.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.asyncIterator] (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    3. If func is either undefined or null, return undefined.
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]: Symbol.asyncIterator
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-null-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-null-sync-get-abrupt.js
new file mode 100644
index 0000000000..e8b2f33c0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-null-sync-get-abrupt.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-null-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting @@iterator after null @@asyncIterator (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-abrupt.js
new file mode 100644
index 0000000000..33db1241b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-abrupt.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while calling [Symbol.asyncIterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-boolean-throw.js
new file mode 100644
index 0000000000..4f38c21ac6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-boolean-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-null-throw.js
new file mode 100644
index 0000000000..60af524617
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-null-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-number-throw.js
new file mode 100644
index 0000000000..3d8016897d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-number-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return 42;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-string-throw.js
new file mode 100644
index 0000000000..a30b5f666d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-string-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return '42';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-symbol-throw.js
new file mode 100644
index 0000000000..8f1f6b80f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-symbol-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return Symbol.asyncIterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-undefined-throw.js
new file mode 100644
index 0000000000..e7bc047cdf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-returns-undefined-throw.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.asyncIterator]() - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+    ...
+    6. Let iterator be ? Call(method, obj).
+    7. If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-undefined-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
new file mode 100644
index 0000000000..4ac2e2c911
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-undefined-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting @@iterator after undefined @@asyncIterator (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-get-abrupt.js
new file mode 100644
index 0000000000..741f3f3879
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-get-abrupt.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting [Symbol.iterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..14ed0208c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-boolean-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: false
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-number-throw.js
new file mode 100644
index 0000000000..631ffec6b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-number-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: 0
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-object-throw.js
new file mode 100644
index 0000000000..e9f554efbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-object-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: {}
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-string-throw.js
new file mode 100644
index 0000000000..aeb155bb63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-string-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: ''
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..90515b351d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-not-callable-symbol-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Throws a TypeError on a non-callable [Symbol.iterator] (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+    4. If IsCallable(func) is false, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]: Symbol.iterator
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-abrupt.js
new file mode 100644
index 0000000000..73f3e12790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-abrupt.js
@@ -0,0 +1,105 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while calling [Symbol.iterator] (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  [Symbol.iterator]() {
+    throw reason;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-boolean-throw.js
new file mode 100644
index 0000000000..50015e0abd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-boolean-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-boolean-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return true;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-null-throw.js
new file mode 100644
index 0000000000..63546450d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-null-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-null-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-number-throw.js
new file mode 100644
index 0000000000..1f52d1a513
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-number-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-number-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return 0;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-string-throw.js
new file mode 100644
index 0000000000..1b0fdcb4a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-string-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-string-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return '';
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-symbol-throw.js
new file mode 100644
index 0000000000..8e86c1bd75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-symbol-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-symbol-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return Symbol.iterator;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-undefined-throw.js
new file mode 100644
index 0000000000..eaf82447ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-getiter-sync-returns-undefined-throw.js
@@ -0,0 +1,110 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-sync-returns-undefined-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Non object returned by [Symbol.iterator]() - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    CreateAsyncFromSyncIterator(syncIterator)
+
+    1. If Type(syncIterator) is not Object, throw a TypeError exception.
+    ...
+
+---*/
+var obj = {
+  [Symbol.iterator]() {
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-done-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-done-get-abrupt.js
new file mode 100644
index 0000000000..d5bb772855
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-done-get-abrupt.js
@@ -0,0 +1,111 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-done-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting done (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get done() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-returns-abrupt.js
new file mode 100644
index 0000000000..a6f731dc94
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-returns-abrupt.js
@@ -0,0 +1,103 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while calling next (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-value-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-value-get-abrupt.js
new file mode 100644
index 0000000000..c44953c1c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-call-value-get-abrupt.js
@@ -0,0 +1,113 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-call-value-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting value (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          done: true,
+          get value() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-get-abrupt.js
new file mode 100644
index 0000000000..abeada6161
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-get-abrupt.js
@@ -0,0 +1,103 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Abrupt completion while getting next (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      get next() {
+        throw reason;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, "reject reason");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-non-object-ignores-then.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-non-object-ignores-then.js
new file mode 100644
index 0000000000..ed897fb8c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-non-object-ignores-then.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-non-object-ignores-then.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: If next() value is not-object, do not access respective then property (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+
+---*/
+Number.prototype.then = function() {
+  throw new Test262Error('Number#then should not be used');
+};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return 42;
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, 'TypeError');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-boolean-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-boolean-throw.js
new file mode 100644
index 0000000000..daa99c2779
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-boolean-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-boolean-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - boolean (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: true
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-null-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-null-throw.js
new file mode 100644
index 0000000000..525fe38596
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-null-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-null-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - null (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: null
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-number-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-number-throw.js
new file mode 100644
index 0000000000..9883a3cdd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-number-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-number-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - number (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: 42
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-object-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-object-throw.js
new file mode 100644
index 0000000000..1b592d2d99
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-object-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-object-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - object (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: {}
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-string-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-string-throw.js
new file mode 100644
index 0000000000..93f1525f17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-string-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-string-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - string (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: ''
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-symbol-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-symbol-throw.js
new file mode 100644
index 0000000000..113904c014
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-symbol-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-symbol-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - symbol (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: Symbol('oi')
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-undefined-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-undefined-throw.js
new file mode 100644
index 0000000000..bd66cf0493
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-not-callable-undefined-throw.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-not-callable-undefined-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Not-callable next value in a yield star position - undefined (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next: undefined
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v.constructor, TypeError, "TypeError");
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-get-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-get-abrupt.js
new file mode 100644
index 0000000000..ad8c9590e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-get-abrupt.js
@@ -0,0 +1,127 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-get-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Return abrupt after getting next().then (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          get then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js
new file mode 100644
index 0000000000..e6b3723774
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-boolean-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-boolean-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (boolean) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: true,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-null-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-null-fulfillpromise.js
new file mode 100644
index 0000000000..03a65a9806
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-null-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-null-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (null) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: null,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-number-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-number-fulfillpromise.js
new file mode 100644
index 0000000000..612f73cafe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-number-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-number-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (number) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: 39,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-object-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-object-fulfillpromise.js
new file mode 100644
index 0000000000..aa38dcfbe2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-object-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-object-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (object) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: {},
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-string-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-string-fulfillpromise.js
new file mode 100644
index 0000000000..058b82d40a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-string-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-string-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (string) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: '',
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js
new file mode 100644
index 0000000000..121893b0ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-symbol-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-symbol-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (symbol) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: Symbol('oi'),
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js
new file mode 100644
index 0000000000..ac4111c2b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-non-callable-undefined-fulfillpromise.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-non-callable-undefined-fulfillpromise.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: FulfillPromise if next().then is not-callable (undefined) (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        iv. If Type(innerResult) is not Object, throw a TypeError exception.
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    7. If Type(resolution) is not Object, then
+      a. Return FulfillPromise(promise, resolution).
+    8. Let then be Get(resolution, "then").
+    ...
+    11. If IsCallable(thenAction) is false, then
+      a. Return FulfillPromise(promise, resolution).
+    ...
+
+---*/
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then: undefined,
+          value: 42,
+          done: false
+        }
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(({ value, done }) => {
+  assert.sameValue(value, 42);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-returns-abrupt.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-returns-abrupt.js
new file mode 100644
index 0000000000..16e6019abd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-next-then-returns-abrupt.js
@@ -0,0 +1,127 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-next-then-returns-abrupt.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: Return abrupt after calling next().then (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+    ...
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+    ...
+
+    Await
+
+    ...
+    2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+    3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »).
+    ...
+
+    Promise Resolve Functions
+
+    ...
+    8. Let then be Get(resolution, "then").
+    ...
+    10. Get thenAction be then.[[Value]].
+    ...
+    12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise,
+        resolution, thenAction »).
+    ...
+
+---*/
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw new Test262Error('it should not get Symbol.iterator');
+  },
+  [Symbol.asyncIterator]() {
+    return {
+      next() {
+        return {
+          then() {
+            throw reason;
+          }
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        yield* obj;
+          throw new Test262Error('abrupt completion closes iter');
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-next.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-next.js
new file mode 100644
index 0000000000..70ebbacca3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-next.js
@@ -0,0 +1,260 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-next.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: execution order for yield* with sync iterator and next() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    5. Let received be NormalCompletion(undefined).
+    6. Repeat
+      a. If received.[[Type]] is normal, then
+        i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]).
+        ii. Let innerResult be ? Invoke(iterator, "next",
+            « received.[[Value]] »).
+        iii. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+        ...
+        v. Let done be ? IteratorComplete(innerResult).
+        vi. If done is true, then
+           1. Return ? IteratorValue(innerResult).
+        vii. Let received be GeneratorYield(innerResult).
+      ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+        ii. Let syncIterator be ? Call(syncMethod, obj).
+        iii. Return ? CreateAsyncFromSyncIterator(syncIterator).
+    ...
+
+    %AsyncFromSyncIteratorPrototype%.next ( value )
+
+    ...
+    5. Let nextResult be IteratorNext(syncIterator, value).
+    ...
+    7. Let nextValue be IteratorValue(nextResult).
+    ...
+    9. Let nextDone be IteratorComplete(nextResult).
+    ...
+    12. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « nextValue »).
+    ...
+    14. Set onFulfilled.[[Done]] to nextDone.
+    15. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+    Async Iterator Value Unwrap Functions
+
+    1. Return ! CreateIterResultObject(value, F.[[Done]]).
+
+---*/
+var log = [];
+var obj = {
+  get [Symbol.iterator]() {
+    log.push({
+      name: "get [Symbol.iterator]",
+      thisValue: this
+    });
+    return function() {
+      log.push({
+        name: "call [Symbol.iterator]",
+        thisValue: this,
+        args: [...arguments]
+      });
+      var nextCount = 0;
+      return {
+        name: "syncIterator",
+        get next() {
+          log.push({
+            name: "get next",
+            thisValue: this
+          });
+          return function() {
+            log.push({
+              name: "call next",
+              thisValue: this,
+              args: [...arguments]
+            });
+
+            nextCount++;
+            if (nextCount == 1) {
+              return {
+                name: "next-result-1",
+                get value() {
+                  log.push({
+                    name: "get next value (1)",
+                    thisValue: this
+                  });
+                  return "next-value-1";
+                },
+                get done() {
+                  log.push({
+                    name: "get next done (1)",
+                    thisValue: this
+                  });
+                  return false;
+                }
+              };
+            }
+
+            return {
+              name: "next-result-2",
+              get value() {
+                log.push({
+                  name: "get next value (2)",
+                  thisValue: this
+                });
+                return "next-value-2";
+              },
+              get done() {
+                log.push({
+                  name: "get next done (2)",
+                  thisValue: this
+                });
+                return true;
+              }
+            };
+          };
+        }
+      };
+    };
+  },
+  get [Symbol.asyncIterator]() {
+    log.push({ name: "get [Symbol.asyncIterator]" });
+    return null;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next("next-arg-1").then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get [Symbol.asyncIterator]");
+
+  assert.sameValue(log[2].name, "get [Symbol.iterator]");
+  assert.sameValue(log[2].thisValue, obj, "get [Symbol.iterator] thisValue");
+
+  assert.sameValue(log[3].name, "call [Symbol.iterator]");
+  assert.sameValue(log[3].thisValue, obj, "[Symbol.iterator] thisValue");
+  assert.sameValue(log[3].args.length, 0, "[Symbol.iterator] args.length");
+
+  assert.sameValue(log[4].name, "get next");
+  assert.sameValue(log[4].thisValue.name, "syncIterator", "get next thisValue");
+
+  assert.sameValue(log[5].name, "call next");
+  assert.sameValue(log[5].thisValue.name, "syncIterator", "next thisValue");
+  assert.sameValue(log[5].args.length, 1, "next args.length");
+  assert.sameValue(log[5].args[0], undefined, "next args[0]");
+
+  assert.sameValue(log[6].name, "get next done (1)");
+  assert.sameValue(log[6].thisValue.name, "next-result-1", "get next done thisValue");
+
+  assert.sameValue(log[7].name, "get next value (1)");
+  assert.sameValue(log[7].thisValue.name, "next-result-1", "get next value thisValue");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 8, "log.length");
+
+  iter.next("next-arg-2").then(v => {
+    assert.sameValue(log[8].name, "call next");
+    assert.sameValue(log[8].thisValue.name, "syncIterator", "next thisValue");
+    assert.sameValue(log[8].args.length, 1, "next args.length");
+    assert.sameValue(log[8].args[0], "next-arg-2", "next args[0]");
+
+    assert.sameValue(log[9].name, "get next done (2)");
+    assert.sameValue(log[9].thisValue.name, "next-result-2", "get next done thisValue");
+
+    assert.sameValue(log[10].name, "get next value (2)");
+    assert.sameValue(log[10].thisValue.name, "next-result-2", "get next value thisValue");
+
+    assert.sameValue(log[11].name, "after yield*");
+    assert.sameValue(log[11].value, "next-value-2");
+
+    assert.sameValue(v.value, "return-value");
+    assert.sameValue(v.done, true);
+
+    assert.sameValue(log.length, 12, "log.length");
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-return.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-return.js
new file mode 100644
index 0000000000..ea4577649c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-return.js
@@ -0,0 +1,235 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-return.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: execution order for yield* with sync iterator and return() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, Symbol.asyncIterator, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ii. Let return be ? GetMethod(iterator, "return").
+        iii. If return is undefined, return Completion(received).
+        iv. Let innerReturnResult be ? Call(return, iterator,
+            « received.[[Value]] »).
+        v. If generatorKind is async, then set innerReturnResult to
+           ? Await(innerReturnResult).
+        ...
+        vii. Let done be ? IteratorComplete(innerReturnResult).
+        viii. If done is true, then
+             1. Let value be ? IteratorValue(innerReturnResult).
+             2. Return Completion{[[Type]]: return, [[Value]]: value,
+                [[Target]]: empty}.
+        ix. Let received be GeneratorYield(innerResult).
+
+    %AsyncFromSyncIteratorPrototype%.return ( value )
+
+    5. Let return be GetMethod(syncIterator, "return").
+    ...
+    ...
+    8. Let returnResult be Call(return, syncIterator, « value »).
+    ...
+    11. Let returnValue be IteratorValue(returnResult).
+    ..
+    13. Let returnDone be IteratorComplete(returnResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined, « returnValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to returnDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var returnCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get return() {
+        log.push({
+          name: "get return",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call return",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          returnCount++;
+          if (returnCount == 1) {
+            return {
+              name: "return-result-1",
+              get value() {
+                log.push({
+                  name: "get return value (1)",
+                  thisValue: this
+                });
+                return "return-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get return done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "return-result-2",
+            get value() {
+              log.push({
+                name: "get return value (2)",
+                thisValue: this
+              });
+              return "return-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get return done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          yield* obj;
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.return("return-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get return");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get return thisValue");
+
+    assert.sameValue(log[3].name, "call return");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "return thisValue");
+    assert.sameValue(log[3].args.length, 1, "return args.length");
+    assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]");
+
+    assert.sameValue(log[4].name, "get return done (1)");
+    assert.sameValue(log[4].thisValue.name, "return-result-1", "get return done thisValue");
+
+    assert.sameValue(log[5].name, "get return value (1)");
+    assert.sameValue(log[5].thisValue.name, "return-result-1", "get return value thisValue");
+
+    assert.sameValue(v.value, "return-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.return().then(v => {
+      assert.sameValue(log[6].name, "get return");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get return thisValue");
+
+      assert.sameValue(log[7].name, "call return");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "get return thisValue");
+      assert.sameValue(log[7].args.length, 1, "return args.length");
+      assert.sameValue(log[7].args[0], undefined, "return args[0]");
+
+      assert.sameValue(log[8].name, "get return done (2)");
+      assert.sameValue(log[8].thisValue.name, "return-result-2", "get return done thisValue");
+
+      assert.sameValue(log[9].name, "get return value (2)");
+      assert.sameValue(log[9].thisValue.name, "return-result-2", "get return value thisValue");
+
+      assert.sameValue(v.value, "return-value-2");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 10, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-throw.js b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-throw.js
new file mode 100644
index 0000000000..3579ace644
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-gen-private-method/yield-star-sync-throw.js
@@ -0,0 +1,241 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-sync-throw.case
+// - src/async-generators/default/async-class-decl-private-method.template
+/*---
+description: execution order for yield* with sync iterator and throw() (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorPrivateMethod
+features: [Symbol.iterator, async-iteration, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    ...
+    6. Repeat
+      ...
+      b. Else if received.[[Type]] is throw, then
+        i. Let throw be ? GetMethod(iterator, "throw").
+        ii. If throw is not undefined, then
+          1. Let innerResult be ? Call(throw, iterator, « received.[[Value]] »).
+          2. If generatorKind is async, then set innerResult to
+             ? Await(innerResult).
+          ...
+          5. Let done be ? IteratorComplete(innerResult).
+          6. If done is true, then
+            a. Return ? IteratorValue(innerResult).
+          7. Let received be GeneratorYield(innerResult).
+      ...
+
+    %AsyncFromSyncIteratorPrototype%.throw ( value )
+
+    ...
+    5. Let throw be GetMethod(syncIterator, "throw").
+    ...
+    8. Let throwResult be Call(throw, syncIterator, « value »).
+    ...
+    11. Let throwValue be IteratorValue(throwResult).
+    ...
+    13. Let throwDone be IteratorComplete(throwResult).
+    ...
+    16. Perform ! Call(valueWrapperCapability.[[Resolve]], undefined,
+        « throwValue »).
+    ...
+    18. Set onFulfilled.[[Done]] to throwDone.
+    19. Perform ! PerformPromiseThen(valueWrapperCapability.[[Promise]],
+        onFulfilled, undefined, promiseCapability).
+    ...
+
+---*/
+var log = [];
+var obj = {
+  [Symbol.iterator]() {
+    var throwCount = 0;
+    return {
+      name: "syncIterator",
+      get next() {
+        log.push({ name: "get next" });
+        return function() {
+          return {
+            value: "next-value-1",
+            done: false
+          };
+        };
+      },
+      get throw() {
+        log.push({
+          name: "get throw",
+          thisValue: this
+        });
+        return function() {
+          log.push({
+            name: "call throw",
+            thisValue: this,
+            args: [...arguments]
+          });
+
+          throwCount++;
+          if (throwCount == 1) {
+            return {
+              name: "throw-result-1",
+              get value() {
+                log.push({
+                  name: "get throw value (1)",
+                  thisValue: this
+                });
+                return "throw-value-1";
+              },
+              get done() {
+                log.push({
+                  name: "get throw done (1)",
+                  thisValue: this
+                });
+                return false;
+              }
+            };
+          }
+
+          return {
+            name: "throw-result-2",
+            get value() {
+              log.push({
+                name: "get throw value (2)",
+                thisValue: this
+              });
+              return "throw-value-2";
+            },
+            get done() {
+              log.push({
+                name: "get throw done (2)",
+                thisValue: this
+              });
+              return true;
+            }
+          };
+        };
+      }
+    };
+  }
+};
+
+
+
+var callCount = 0;
+
+class C {
+    async *#gen() {
+        callCount += 1;
+        log.push({ name: "before yield*" });
+          var v = yield* obj;
+          log.push({
+            name: "after yield*",
+            value: v
+          });
+          return "return-value";
+
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+assert.sameValue(log.length, 0, "log.length");
+
+iter.next().then(v => {
+  assert.sameValue(log[0].name, "before yield*");
+
+  assert.sameValue(log[1].name, "get next");
+
+  assert.sameValue(v.value, "next-value-1");
+  assert.sameValue(v.done, false);
+
+  assert.sameValue(log.length, 2, "log.length");
+
+  iter.throw("throw-arg-1").then(v => {
+    assert.sameValue(log[2].name, "get throw");
+    assert.sameValue(log[2].thisValue.name, "syncIterator", "get throw thisValue");
+
+    assert.sameValue(log[3].name, "call throw");
+    assert.sameValue(log[3].thisValue.name, "syncIterator", "throw thisValue");
+    assert.sameValue(log[3].args.length, 1, "throw args.length");
+    assert.sameValue(log[3].args[0], "throw-arg-1", "throw args[0]");
+
+    assert.sameValue(log[4].name, "get throw done (1)");
+    assert.sameValue(log[4].thisValue.name, "throw-result-1", "get throw done thisValue");
+
+    assert.sameValue(log[5].name, "get throw value (1)");
+    assert.sameValue(log[5].thisValue.name, "throw-result-1", "get throw value thisValue");
+
+    assert.sameValue(v.value, "throw-value-1");
+    assert.sameValue(v.done, false);
+
+    assert.sameValue(log.length, 6, "log.length");
+
+    iter.throw().then(v => {
+      assert.sameValue(log[6].name, "get throw");
+      assert.sameValue(log[6].thisValue.name, "syncIterator", "get throw thisValue");
+
+      assert.sameValue(log[7].name, "call throw");
+      assert.sameValue(log[7].thisValue.name, "syncIterator", "throw thisValue");
+      assert.sameValue(log[7].args.length, 1, "throw args.length");
+      assert.sameValue(log[7].args[0], undefined, "throw args[0]");
+
+      assert.sameValue(log[8].name, "get throw done (2)");
+      assert.sameValue(log[8].thisValue.name, "throw-result-2", "get throw done thisValue");
+
+      assert.sameValue(log[9].name, "get throw value (2)");
+      assert.sameValue(log[9].thisValue.name, "throw-result-2", "get throw value thisValue");
+
+      assert.sameValue(log[10].name, "after yield*");
+      assert.sameValue(log[10].value, "throw-value-2");
+
+      assert.sameValue(v.value, "return-value");
+      assert.sameValue(v.done, true);
+
+      assert.sameValue(log.length, 11, "log.length");
+    }).then($DONE, $DONE);
+  }).catch($DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "#gen does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "#gen does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "#gen does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..65094a194e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier-escaped.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    var \u0061wait;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier.js
new file mode 100644
index 0000000000..03633af3f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-binding-identifier.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    var await;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..9497de6af9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference-escaped.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    void \u0061wait;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference.js
new file mode 100644
index 0000000000..186b301db2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-identifier-reference.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    void await;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..79c9a46179
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier-escaped.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    \u0061wait: ;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier.js
new file mode 100644
index 0000000000..d0493a7bac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/await-as-label-identifier.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier.case
+// - src/async-functions/syntax/async-class-decl-static-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  static async #method() {
+    await: ;
+  }
+}
+
+
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/browser.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-arguments-from-parent-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-arguments-from-parent-function.js
new file mode 100644
index 0000000000..8fceeed5d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-arguments-from-parent-function.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-arguments-from-parent-function.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    let a = arguments;
+      return async () => a === arguments;
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, true);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-newtarget.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-newtarget.js
new file mode 100644
index 0000000000..3946ffd23a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow-returns-newtarget.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    return async () => new.target;
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow.js
new file mode 100644
index 0000000000..ae1ac57bf9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-arrow.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    return async () => x;
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-arguments-from-own-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-arguments-from-own-function.js
new file mode 100644
index 0000000000..692da97eee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-arguments-from-own-function.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-arguments-from-own-function.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    let a = arguments;
+      return async function() { return a === arguments; };
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, false);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-newtarget.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-newtarget.js
new file mode 100644
index 0000000000..0b2351911d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function-returns-newtarget.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    return async function() { return new.target; };
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function.js
new file mode 100644
index 0000000000..8bdec77ce3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/returns-async-function.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function.case
+// - src/async-functions/evaluation/async-class-decl-static-private-method.template
+/*---
+description: Async function returns an async function. (Static async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-static-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  static async #method(x) {
+    return async function() { return x; };
+  }
+  static async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method-static/shell.js b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..d40bf022b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    var \u0061wait;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier.js
new file mode 100644
index 0000000000..cf96ab3b04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-binding-identifier.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-binding-identifier.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    var await;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..6a0207039f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference-escaped.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    void \u0061wait;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference.js
new file mode 100644
index 0000000000..7931167ccd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-identifier-reference.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-identifier-reference.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    void await;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..20905576ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier-escaped.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier-escaped.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    \u0061wait: ;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier.js
new file mode 100644
index 0000000000..c6859c2ecc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/await-as-label-identifier.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier.case
+// - src/async-functions/syntax/async-class-decl-private-method.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+class C {
+  async #method() {
+    await: ;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/browser.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-arguments-from-parent-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-arguments-from-parent-function.js
new file mode 100644
index 0000000000..a40fd874eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-arguments-from-parent-function.js
@@ -0,0 +1,45 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-arguments-from-parent-function.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    let a = arguments;
+      return async () => a === arguments;
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, true);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-newtarget.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-newtarget.js
new file mode 100644
index 0000000000..f960ba8e6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow-returns-newtarget.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    return async () => new.target;
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow.js
new file mode 100644
index 0000000000..ee8b999095
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-arrow.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-arrow.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    return async () => x;
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-arguments-from-own-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-arguments-from-own-function.js
new file mode 100644
index 0000000000..462ae56bc6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-arguments-from-own-function.js
@@ -0,0 +1,45 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-arguments-from-own-function.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    let a = arguments;
+      return async function() { return a === arguments; };
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, false);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-newtarget.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-newtarget.js
new file mode 100644
index 0000000000..6046cef1b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function-returns-newtarget.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function-returns-newtarget.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    return async function() { return new.target; };
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function.js
new file mode 100644
index 0000000000..2dc6bce21a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/returns-async-function.js
@@ -0,0 +1,44 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-functions/returns-async-function.case
+// - src/async-functions/evaluation/async-class-decl-private-method.template
+/*---
+description: Async function returns an async function. (Async private method as a ClassDeclaration element)
+esid: prod-AsyncMethod
+features: [async-functions, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      AsyncMethod
+
+    Async Function Definitions
+
+    AsyncMethod :
+      async [no LineTerminator here] # PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+---*/
+let count = 0;
+
+
+class C {
+  async #method(x) {
+    return async function() { return x; };
+  }
+  async method(x) {
+    return this.#method(x);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/async-private-method/shell.js b/js/src/tests/test262/language/statements/class/elements/async-private-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/async-private-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/browser.js b/js/src/tests/test262/language/statements/class/elements/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/class-field-is-observable-by-proxy.js b/js/src/tests/test262/language/statements/class/elements/class-field-is-observable-by-proxy.js
new file mode 100644
index 0000000000..9585324332
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/class-field-is-observable-by-proxy.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Public class fields initialization calls [[DefineOwnProperty]]
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+includes: [compareArray.js]
+features: [class, class-fields-public, Proxy]
+---*/
+
+let arr = [];
+let expectedTarget = null;
+function ProxyBase() {
+  expectedTarget = this;
+  return new Proxy(this, {
+    defineProperty: function (target, key, descriptor) {
+      arr.push(key);
+      arr.push(descriptor.value);
+      arr.push(target);
+      assert.sameValue(descriptor.enumerable, true);
+      assert.sameValue(descriptor.configurable, true);
+      assert.sameValue(descriptor.writable, true);
+      return Reflect.defineProperty(target, key, descriptor);
+    }
+  });
+}
+
+class Test extends ProxyBase {
+  f = 3;
+  g = "Test262";
+}
+
+let t = new Test();
+assert.sameValue(t.f, 3);
+assert.sameValue(t.g, "Test262");
+
+assert.compareArray(arr, ["f", 3, expectedTarget, "g", "Test262", expectedTarget]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js b/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js
new file mode 100644
index 0000000000..94a86d6694
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js
@@ -0,0 +1,30 @@
+'use strict';
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Public class field initialization fails on frozen object
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+features: [class, class-fields-public]
+flags: [onlyStrict]
+---*/
+
+class Test {
+  f = Object.freeze(this);
+  g = "Test262";
+}
+
+assert.throws(TypeError, function() {
+  new Test();
+}, "Frozen objects can't be changed");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..2b0b71942b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-arguments.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-comp-name.template
+/*---
+description: Syntax error if `arguments` used in class field (computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  [x] = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-super.js
new file mode 100644
index 0000000000..84a2c49a34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/comp-name-init-err-contains-super.js
@@ -0,0 +1,29 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-comp-name.template
+/*---
+description: Syntax error if `super()` used in class field (computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  [x] = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive-symbol.js b/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive-symbol.js
new file mode 100644
index 0000000000..ead50e26dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive-symbol.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-toprimitive-symbol.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: ToPrimitive evaluation in the ComputedPropertyName (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, Symbol.toPrimitive, Symbol, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var s1 = Symbol();
+var s2 = Symbol();
+var s3 = Symbol();
+var err = function() { throw new Test262Error(); };
+var obj1 = {
+  [Symbol.toPrimitive]: function() { return s1; },
+  toString: err,
+  valueOf: err
+};
+
+var obj2 = {
+  toString: function() { return s2; },
+  valueOf: err
+};
+
+var obj3 = {
+  toString: undefined,
+  valueOf: function() { return s3; }
+};
+
+
+
+class C {
+  [obj1] = 42;
+  [obj2] = 43;
+  [obj3] = 44;
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, s1),
+  "s1 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, s1),
+  "s1 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, s1, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, s2),
+  "s2 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, s2),
+  "s2 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, s2, {
+  value: 43,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, s3),
+  "s3 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, s3),
+  "s3 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, s3, {
+  value: 44,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive.js b/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive.js
new file mode 100644
index 0000000000..684907a32d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/computed-name-toprimitive.js
@@ -0,0 +1,120 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-toprimitive.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: ToPrimitive evaluation in the ComputedPropertyName (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, Symbol.toPrimitive, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var err = function() { throw new Test262Error(); };
+var obj1 = {
+  [Symbol.toPrimitive]: function() { return "d"; },
+  toString: err,
+  valueOf: err
+};
+
+var obj2 = {
+  toString: function() { return "e"; },
+  valueOf: err
+};
+
+var obj3 = {
+  toString: undefined,
+  valueOf: function() { return "f"; }
+};
+
+
+
+class C {
+  [obj1] = 42;
+  [obj2] = 43;
+  [obj3] = 44;
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "e"),
+  "e doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "e"),
+  "e doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "e", {
+  value: 43,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "f"),
+  "f doesn't appear as an own property on C prototype"
+);
+assert(!
+  Object.prototype.hasOwnProperty.call(C, "f"),
+  "f doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "f", {
+  value: 44,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/computed-property-abrupt-completition.js b/js/src/tests/test262/language/statements/class/elements/computed-property-abrupt-completition.js
new file mode 100644
index 0000000000..c07ed35e8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/computed-property-abrupt-completition.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateFieldGet should return with abrupt completion
+esid: runtime-semantics-class-definition-evaluation
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    ...
+    28. For each ClassElement e in order from elements,
+      a. If IsStatic of e is false, then
+        i. Let field be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let field be the result of performing PropertyDefinitionEvaluation for mClassElementEvaluation for e with arguments F and false.
+      c. If field is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(field).
+    ...
+features: [class-fields-public, class-static-fields-public, class]
+---*/
+
+function abruptCompletion() {
+  throw new Test262Error();
+}
+
+let neverExecuted = false;
+
+assert.throws(Test262Error, function() {
+  class C {
+    [abruptCompletion()];
+    [neverExecuted = true];
+  }
+}, 'computed property should have abrupt completion');
+assert.sameValue(neverExecuted, false);
+
+assert.throws(Test262Error, function() {
+  class C {
+    static [abruptCompletion()];
+    [neverExecuted = true];
+  }
+}, 'static computed property should have abrupt completion');
+assert.sameValue(neverExecuted, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/ctor-called-after-fields-init.js b/js/src/tests/test262/language/statements/class/elements/ctor-called-after-fields-init.js
new file mode 100644
index 0000000000..77e483856d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/ctor-called-after-fields-init.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/ctor-called-after-fields-init.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: The constructor method is called after the fields are initalized (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    [[Construct]] ( argumentsList, newTarget)
+
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      ...
+    ...
+    11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    ...
+
+---*/
+var ctor;
+
+
+class C {
+  constructor() {
+    ctor = this.foo;
+  }
+  foo = 42;
+}
+
+var c = new C();
+
+assert.sameValue(ctor, 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..ae4d849ba1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super.x;');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..f070550b43
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super["x"];');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..3bee4474f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..ce07927be2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..cd2af53ae0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..27895ab1a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..a6f86a2af5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..6daeaa5d31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..ac275cc028
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..08f77e8118
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..32ef0e5489
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-arguments.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-fields-eval.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = eval('executed = true; arguments;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..8097d57801
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/direct-eval-err-contains-newtarget.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-eval.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = eval('executed = true; new.target;');
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-arguments.js
new file mode 100644
index 0000000000..7d88fd26f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-equality.template
+/*---
+description: Syntax error if `arguments` used in class field (equality expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = {} == arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-super.js
new file mode 100644
index 0000000000..5eba280e2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/equality-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-equality.template
+/*---
+description: Syntax error if `super()` used in class field (equality expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = {} == super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/browser.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-referenceerror.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-referenceerror.js
new file mode 100644
index 0000000000..4c59e16268
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-referenceerror.js
@@ -0,0 +1,58 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-referenceerror.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: ReferenceError evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+function fn() {
+  throw new Test262Error();
+}
+
+
+
+function evaluate() {
+  class C {
+    [noRef] = fn();
+  }
+}
+
+assert.throws(ReferenceError, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-err.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-err.js
new file mode 100644
index 0000000000..204d772fbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-err.js
@@ -0,0 +1,60 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-toprimitive-err.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: Custom error evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, Symbol.toPrimitive, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var obj = {
+  [Symbol.toPrimitive]: function() {
+    throw new Test262Error();
+  }
+};
+
+
+
+function evaluate() {
+  class C {
+    [obj]
+  }
+}
+
+assert.throws(Test262Error, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-noncallable.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-noncallable.js
new file mode 100644
index 0000000000..f995fe93e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-noncallable.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-toprimitive-returns-noncallable.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: Custom error evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, Symbol.toPrimitive, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var obj = {
+  [Symbol.toPrimitive]: {}
+};
+
+
+
+function evaluate() {
+  class C {
+    [obj] = refErrorIfEvaluated;
+  }
+}
+
+assert.throws(TypeError
+, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-nonobject.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-nonobject.js
new file mode 100644
index 0000000000..46d6d5f852
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-toprimitive-returns-nonobject.js
@@ -0,0 +1,58 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-toprimitive-returns-nonobject.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: Custom error evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, Symbol.toPrimitive, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var obj = {
+  [Symbol.toPrimitive]: 42
+};
+
+
+
+function evaluate() {
+  class C {
+    [obj] = refErrorIfEvaluated;
+  }
+}
+
+assert.throws(TypeError, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-tostring-err.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-tostring-err.js
new file mode 100644
index 0000000000..3a43e1560d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-tostring-err.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-tostring-err.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: Custom error evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var obj = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+
+
+function evaluate() {
+  class C {
+    [obj]
+  }
+}
+
+assert.throws(Test262Error
+, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-valueof-err.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-valueof-err.js
new file mode 100644
index 0000000000..126a0e0a40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/computed-name-valueof-err.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-name-valueof-err.case
+// - src/class-elements/class-evaluation-error/cls-decl.template
+/*---
+description: Custom error evaluating a computed property name (field definitions in a class declaration)
+esid: sec-runtime-semantics-classdefinitionevaluation
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of me is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+      b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+      c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+    ...
+
+    Runtime Semantics: ClassElementEvaluation
+
+    ClassElement: FieldDefinition;
+      Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter false and object.
+
+    Runtime Semantics: ClassFieldDefinitionEvaluation
+      With parameters isStatic and homeObject.
+
+    1. Let fieldName be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(fieldName).
+    ...
+
+    Runtime Semantics: Evaluation
+      ComputedPropertyName: [ AssignmentExpression ]
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let propName be ? GetValue(exprValue).
+    3. Return ? ToPropertyKey(propName).
+
+---*/
+var obj = {
+  toString: undefined,
+  valueOf: function() {
+    throw new Test262Error();
+  }
+};
+
+
+
+function evaluate() {
+  class C {
+    [obj]
+  }
+}
+
+assert.throws(Test262Error, evaluate);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/evaluation-error/shell.js b/js/src/tests/test262/language/statements/class/elements/evaluation-error/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/evaluation-error/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/field-declaration.js b/js/src/tests/test262/language/statements/class/elements/field-declaration.js
new file mode 100644
index 0000000000..b8c0fcc6c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/field-declaration.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/field-declaration.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Fields are defined (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    ClassDefinitionEvaluation:
+      ...
+
+      26. Let instanceFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+          i. Let field be the result of performing ClassElementEvaluation for e with arguments proto and false.
+        b. ...
+        c. ...
+        d. If field is not empty, append field to instanceFields.
+
+      ...
+
+      30. Set F.[[Fields]] to instanceFields.
+      ...
+
+---*/
+var computed = 'h';
+
+
+class C {
+  f = 'test262';
+  'g';
+  0 = 'bar';
+  [computed];
+}
+
+let c = new C();
+
+assert.sameValue(C.f, undefined);
+assert.sameValue(C.g, undefined);
+assert.sameValue(C.h, undefined);
+assert.sameValue(C[0], undefined);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C, 'f'),
+  "f does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, 'g'),
+  "g does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, 'h'),
+  "h does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, 0),
+  "0 does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, 'f', {
+  value: 'test262',
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(c, 'g', {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(c, 0, {
+  value: 'bar',
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(c, 'h', {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/field-definition-accessor-no-line-terminator.js b/js/src/tests/test262/language/statements/class/elements/field-definition-accessor-no-line-terminator.js
new file mode 100644
index 0000000000..bea195d730
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/field-definition-accessor-no-line-terminator.js
@@ -0,0 +1,52 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/class-elements/field-definition-accessor-no-line-terminator.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Valid accessor FieldDefinition, ClassElementName, PropertyName Syntax (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [decorators, class]
+flags: [generated]
+info: |
+    FieldDefinition[Yield, Await] :
+      accessor [no LineTerminator here] ClassElementName[?Yield, ?Await] Initializer[+In, ?Yield, ?Await]opt
+
+---*/
+
+
+class C {
+  accessor
+  $;
+  static accessor
+  $;
+
+}
+
+let c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, 'accessor'),
+  "accessor doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, '$'),
+  "$ doesn't appear as an own property on C prototype"
+);
+assert(
+  Object.prototype.hasOwnProperty.call(C, 'accessor'),
+  "C constructor has an own property accessor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, '$'),
+  "$ doesn't appear as an own property on C constructor"
+);
+assert(
+  Object.prototype.hasOwnProperty.call(c, 'accessor'),
+  "C instance has an own property accessor"
+);
+assert(
+  Object.prototype.hasOwnProperty.call(c, '$'),
+  "C instance has an own property $"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fielddefinition-initializer-abrupt-completion.js b/js/src/tests/test262/language/statements/class/elements/fielddefinition-initializer-abrupt-completion.js
new file mode 100644
index 0000000000..a29b1d94c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fielddefinition-initializer-abrupt-completion.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class construction should error if evaluation of field initializer errors
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+info: |
+  [[Construct]] ( argumentsList, newTarget)
+    ...
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      c. If result is an abrupt completion, then
+        i. Remove calleeContext from execution context stack and restore callerContext as the running execution context.
+        ii. Return Completion(result).
+
+  InitializeInstanceFields ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. If fieldRecord.[[static]] is false, then
+        i. Perform ? DefineField(O, fieldRecord).
+
+  DefineField(receiver, fieldRecord)
+    1. Assert: Type(receiver) is Object.
+    2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+    3. Let fieldName be fieldRecord.[[Name]].
+    4. Let initializer be fieldRecord.[[Initializer]].
+    5. If initializer is not empty, then
+        a.Let initValue be ? Call(initializer, receiver).
+
+features: [class, class-fields-public]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+class C {
+  x = f();
+}
+
+assert.throws(Test262Error, function() {
+  new C();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-anonymous-function-length.js b/js/src/tests/test262/language/statements/class/elements/fields-anonymous-function-length.js
new file mode 100644
index 0000000000..38280bdfca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-anonymous-function-length.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/fields-anonymous-function-length.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Anonymous functions in field initializer have length properly set (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    InitializeInstanceFields ( O, constructor )
+      1. Assert: Type ( O ) is Object.
+      2. Assert: constructor is an ECMAScript function object.
+      3. Let fields be the value of constructor.[[Fields]].
+      4. For each item fieldRecord in order from fields,
+        a. Perform ? DefineField(O, fieldRecord).
+      5. Return.
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      ...
+
+---*/
+
+
+class C {
+  field = function() {};
+  #field = (a, b, c, d) => undefined;
+
+  accessPrivateField() {
+    return this.#field;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.accessPrivateField().length, 4);
+assert.sameValue(c.field.length, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-1.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-1.js
new file mode 100644
index 0000000000..440e30d93f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-1.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- computed name interpreted as property
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+---*/
+
+var obj = {}
+class C {
+  x = obj
+  ['lol'] = 42
+}
+
+var c = new C();
+
+assert.sameValue(c.x, 42);
+assert.sameValue(obj['lol'], 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-2.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-2.js
new file mode 100644
index 0000000000..e7b2ce6a5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-2.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- computed name interpreted as string index
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+---*/
+
+class C {
+  x = "lol"
+  [1]
+}
+
+var c = new C();
+
+assert.sameValue(c.x, 'o');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-3.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-3.js
new file mode 100644
index 0000000000..8bced9d0ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-3.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- error when computed name interpreted as index
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = "string"
+  [0]() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-4.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-4.js
new file mode 100644
index 0000000000..b22cb71831
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-4.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- error when generator interpreted as multiplication
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public, generators]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = 42
+  *gen() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js
new file mode 100644
index 0000000000..55ab32690f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-5.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- field with PropertyName "in" interpreted as index
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+---*/
+
+var x = 0;
+var y = 1;
+var z = [42];
+
+class C {
+  a = x
+  in
+  z
+  b = y
+  in
+  z
+}
+
+var c = new C();
+
+assert.sameValue(c.a, true, 'a = x in z');
+assert.sameValue(c.b, false, 'b = y in z');
+assert(!Object.prototype.hasOwnProperty.call(c, "in"), "'in' is not parsed as a field declaration");
+assert(!Object.prototype.hasOwnProperty.call(c, "z"), "'z' is not parsed as a field declaration");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-1.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-1.js
new file mode 100644
index 0000000000..f1badcbafb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-1.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Jason Orendorff. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- error when method on same line
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  field /* no ASI here */ method(){}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-2.js b/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-2.js
new file mode 100644
index 0000000000..8ee4caebd9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-asi-same-line-2.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Jason Orendorff. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: ASI test in field declarations -- error when method on same line after initializer
+esid: sec-automatic-semicolon-insertion
+features: [class, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  field = 1 /* no ASI here */ method(){}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-computed-name-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-propname-constructor.js
new file mode 100644
index 0000000000..2eef946b50
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-propname-constructor.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: class fields forbid PropName 'constructor' (no early error -- PropName of ComputedPropertyName not forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+info: |
+    Static Semantics: PropName
+    ...
+    ComputedPropertyName : [ AssignmentExpression ]
+      Return empty.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : FieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "constructor".
+
+    DefineField(receiver, fieldRecord)
+
+    ...
+    8. If fieldName is a Private Name,
+      ...
+    9. Else,
+      a. ...
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+
+    CreateDataPropertyOrThrow ( O, P, V )
+
+    ...
+    3. Let success be ? CreateDataProperty(O, P, V).
+    4. If success is false, throw a TypeError exception.
+    ...
+
+    CreateDataProperty ( O, P, V )
+
+    ...
+    3. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true,
+      [[Configurable]]: true }.
+    4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+---*/
+
+var x = "constructor";
+class C1 {
+  [x];
+}
+
+var c1 = new C1();
+
+assert.sameValue(c1.hasOwnProperty("constructor"), true);
+assert.sameValue(C1.hasOwnProperty("constructor"), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-constructor.js
new file mode 100644
index 0000000000..585dbac7de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-constructor.js
@@ -0,0 +1,82 @@
+// Copyright (C) 2017 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'constructor' (no early error -- PropName of ComputedPropertyName not forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+info: |
+    Static Semantics: PropName
+    ...
+    ComputedPropertyName : [ AssignmentExpression ]
+      Return empty.
+
+    This test file tests the following early error is only valid for a matching PropName:
+
+    Static Semantics: Early Errors
+
+    ClassElement : static FieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+    -- IDK what is calling InitializeClassElements but I guess it's supposed to be called to
+    -- set the fields
+
+    InitializeClassElements(F, proto)
+
+    ...
+    6. For each item element in order from elements,
+      a. If element.[[Kind]] is "field" and element.[[Placement]] is "static" or "prototype",
+        ...
+        ii. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        iii. Perform ? DefineClassElement(receiver, element).
+
+    -- DefineClassElement is probably DefineField in the class fields proposal
+
+    DefineField(receiver, fieldRecord)
+
+    ...
+    8. If fieldName is a Private Name,
+      ...
+    9. Else,
+      a. ...
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+
+    CreateDataPropertyOrThrow ( O, P, V )
+
+    ...
+    3. Let success be ? CreateDataProperty(O, P, V).
+    4. If success is false, throw a TypeError exception.
+    ...
+
+    CreateDataProperty ( O, P, V )
+
+    ...
+    3. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true,
+      [[Configurable]]: true }.
+    4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+includes: [propertyHelper.js]
+---*/
+
+var x = 'constructor';
+class C1 {
+  static [x];
+}
+
+verifyProperty(C1, 'constructor', {
+  value: undefined,
+  configurable: true,
+  writable: true,
+  enumerable: true,
+});
+
+class C2 {
+  static [x] = 42;
+}
+
+verifyProperty(C2, 'constructor', {
+  value: 42,
+  configurable: true,
+  writable: true,
+  enumerable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-prototype.js b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-prototype.js
new file mode 100644
index 0000000000..7f4c43c8d3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-computed-var-propname-prototype.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'prototype' (no early error -- PropName of ComputedPropertyName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+info: |
+  14.6.13 Runtime Semantics: ClassDefinitionEvaluation
+
+  ...
+  16. Perform MakeConstructor(F, false, proto).
+  ...
+
+  9.2.10 MakeConstructor ( F [ , writablePrototype [ , prototype ] ] )
+
+  6. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: prototype,
+    [[Writable]]: writablePrototype, [[Enumerable]]: false, [[Configurable]]: false }).
+---*/
+
+var x = "prototype";
+
+assert.throws(TypeError, function() {
+  class C {
+    static [x] = 42;
+  }
+});
+
+assert.throws(TypeError, function() {
+  class C {
+    static [x];
+  }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-constructor.js
new file mode 100644
index 0000000000..b8bf0f8826
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-constructor.js
@@ -0,0 +1,81 @@
+// Copyright (C) 2017 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'constructor' (no early error -- PropName of ComputedPropertyName not forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+info: |
+    Static Semantics: PropName
+    ...
+    ComputedPropertyName : [ AssignmentExpression ]
+      Return empty.
+
+    This test file tests the following early error is only valid for a matching PropName:
+
+    Static Semantics: Early Errors
+
+    ClassElement : static FieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+    -- IDK what is calling InitializeClassElements but I guess it's supposed to be called to
+    -- set the fields
+
+    InitializeClassElements(F, proto)
+
+    ...
+    6. For each item element in order from elements,
+      a. If element.[[Kind]] is "field" and element.[[Placement]] is "static" or "prototype",
+        ...
+        ii. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        iii. Perform ? DefineClassElement(receiver, element).
+
+    -- DefineClassElement is probably DefineField in the class fields proposal
+
+    DefineField(receiver, fieldRecord)
+
+    ...
+    8. If fieldName is a Private Name,
+      ...
+    9. Else,
+      a. ...
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+
+    CreateDataPropertyOrThrow ( O, P, V )
+
+    ...
+    3. Let success be ? CreateDataProperty(O, P, V).
+    4. If success is false, throw a TypeError exception.
+    ...
+
+    CreateDataProperty ( O, P, V )
+
+    ...
+    3. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true,
+      [[Configurable]]: true }.
+    4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+includes: [propertyHelper.js]
+---*/
+
+class C1 {
+  static ['constructor'];
+}
+
+verifyProperty(C1, 'constructor', {
+  value: undefined,
+  configurable: true,
+  writable: true,
+  enumerable: true,
+});
+
+class C2 {
+  static ['constructor'] = 42;
+}
+
+verifyProperty(C2, 'constructor', {
+  value: 42,
+  configurable: true,
+  writable: true,
+  enumerable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-prototype.js b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-prototype.js
new file mode 100644
index 0000000000..5fba6d2d6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-computed-name-static-propname-prototype.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'prototype' (no early error -- PropName of ComputedPropertyName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+info: |
+  14.6.13 Runtime Semantics: ClassDefinitionEvaluation
+
+  ...
+  16. Perform MakeConstructor(F, false, proto).
+  ...
+
+  9.2.10 MakeConstructor ( F [ , writablePrototype [ , prototype ] ] )
+
+  6. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: prototype,
+    [[Writable]]: writablePrototype, [[Enumerable]]: false, [[Configurable]]: false }).
+---*/
+
+assert.throws(TypeError, function() {
+  class C {
+    static ['prototype'] = 42;
+  }
+});
+
+assert.throws(TypeError, function() {
+  class C {
+    static ['prototype'];
+  }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-duplicate-privatenames.js b/js/src/tests/test262/language/statements/class/elements/fields-duplicate-privatenames.js
new file mode 100644
index 0000000000..da13cf7b43
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-duplicate-privatenames.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright 2017 Valerie Young.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Syntax error if the same private field defined twice
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+  Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+    It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries.
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  #x;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-hash-constructor-is-a-valid-name.js b/js/src/tests/test262/language/statements/class/elements/fields-hash-constructor-is-a-valid-name.js
new file mode 100644
index 0000000000..0372cfa317
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-hash-constructor-is-a-valid-name.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2018 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: "#constructor is a valid property name for a public field"
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+info: |
+    ClassElementName : PrivateName;
+
+    It is a Syntax  Error if StringValue of PrivateName is "#constructor".
+includes: [propertyHelper.js]
+---*/
+
+class C1 {
+  ["#constructor"];
+}
+
+var c1 = new C1();
+
+assert.sameValue(Object.prototype.hasOwnProperty.call(C1, '#constructor'), false);
+verifyProperty(c1, '#constructor', {
+  value: undefined,
+  configurable: true,
+  enumerable: true,
+  writable: true,
+});
+
+class C2 {
+  ["#constructor"] = 42;
+}
+
+var c2 = new C2();
+
+assert.sameValue(Object.prototype.hasOwnProperty.call(C2, '#constructor'), false);
+verifyProperty(c2, '#constructor', {
+  value: 42,
+  configurable: true,
+  enumerable: true,
+  writable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-literal-name-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-propname-constructor.js
new file mode 100644
index 0000000000..3bb17a4524
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-propname-constructor.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: class fields forbid PropName 'constructor' (early error -- PropName of IdentifierName is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    LiteralPropertyName : IdentifierName
+      Return StringValue of IdentifierName.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : FieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  constructor;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-constructor.js
new file mode 100644
index 0000000000..27b3ed35d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-constructor.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class field forbid PropName 'constructor' (early error -- PropName of IdentifierName is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    LiteralPropertyName : IdentifierName
+      Return StringValue of IdentifierName.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : staticFieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static constructor;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-prototype.js b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-prototype.js
new file mode 100644
index 0000000000..032744bc63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-literal-name-static-propname-prototype.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'prototype' (early error -- PropName of IdentifierName is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    LiteralPropertyName : IdentifierName
+      Return StringValue of IdentifierName.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : staticFieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static prototype;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-string-name-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-string-name-propname-constructor.js
new file mode 100644
index 0000000000..f81ce20424
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-string-name-propname-constructor.js
@@ -0,0 +1,31 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: class fields forbid PropName 'constructor' (early error -- PropName of StringLiteral is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    ...
+    LiteralPropertyName : StringLiteral
+      Return the String value whose code units are the SV of the StringLiteral.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : FieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  'constructor';
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-constructor.js b/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-constructor.js
new file mode 100644
index 0000000000..fe1a8bdbd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-constructor.js
@@ -0,0 +1,31 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class field forbid PropName 'constructor' (early error -- PropName of StringLiteral is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    ...
+    LiteralPropertyName : StringLiteral
+      Return the String value whose code units are the SV of the StringLiteral.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : staticFieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static 'constructor';
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-prototype.js b/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-prototype.js
new file mode 100644
index 0000000000..3a8b62d3c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/fields-string-name-static-propname-prototype.js
@@ -0,0 +1,31 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: static class fields forbid PropName 'prototype' (early error -- PropName of StringLiteral is forbidden value)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-static-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: PropName
+    ...
+    LiteralPropertyName : StringLiteral
+      Return the String value whose code units are the SV of the StringLiteral.
+
+
+    // This test file tests the following early error:
+    Static Semantics: Early Errors
+
+      ClassElement : staticFieldDefinition;
+        It is a Syntax Error if PropName of FieldDefinition is "prototype" or "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static 'prototype';
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/browser.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/shell.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..0e43f77456
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier-escaped.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..b33a4d456b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-binding-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..04677528e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference-escaped.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..be6cfcd5bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-identifier-reference.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..5dcb4df908
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier-escaped.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier.js
new file mode 100644
index 0000000000..4371c8dba0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-as-label-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier.case
+// - src/generators/syntax/class-decl-static-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *#gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..258b126d5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,75 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-spread-strict.case
+// - src/generators/default/class-decl-static-private-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Static generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [object-spread, generators, class-static-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {
+    static *#gen() {
+        callCount += 1;
+        return {
+             ...(function() {
+                var yield;
+                throw new Test262Error();
+             }()),
+          }
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..38bd773506
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-identifier-strict-strict.js
@@ -0,0 +1,66 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-strict.case
+// - src/generators/default/class-decl-static-private-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Static generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-static-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {
+    static *#gen() {
+        callCount += 1;
+        (function() {
+            var yield;
+            throw new Test262Error();
+          }())
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..c1ba1a5916
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-multiple.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-multiple.case
+// - src/generators/default/class-decl-static-private-method.template
+/*---
+description: Use yield value in a array spread position (Static generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+var callCount = 0;
+
+class C {
+    static *#gen() {
+        callCount += 1;
+        yield [...yield yield];
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+item = iter.next(item.value);
+
+assert.compareArray(item.value, arr);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-single.js
new file mode 100644
index 0000000000..06b50e2a37
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-arr-single.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-single.case
+// - src/generators/default/class-decl-static-private-method.template
+/*---
+description: Use yield value in a array spread position (Static generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+---*/
+var arr = ['a', 'b', 'c'];
+
+var callCount = 0;
+
+class C {
+    static *#gen() {
+        callCount += 1;
+        yield [...yield];
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next(false);
+var item = iter.next(arr);
+var value = item.value;
+
+assert.notSameValue(value, arr, 'value is a new array');
+assert(Array.isArray(value), 'value is an Array exotic object');
+assert.sameValue(value.length, 3)
+assert.sameValue(value[0], 'a');
+assert.sameValue(value[1], 'b');
+assert.sameValue(value[2], 'c');
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-obj.js
new file mode 100644
index 0000000000..a98fdf4aad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method-static/yield-spread-obj.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-obj.case
+// - src/generators/default/class-decl-static-private-method.template
+/*---
+description: Use yield value in a object spread position (Static generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [object-spread, generators, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      static PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+var callCount = 0;
+
+class C {
+    static *#gen() {
+        callCount += 1;
+        yield {
+            ...yield,
+            y: 1,
+            ...yield yield,
+          };
+    }
+    static get gen() { return this.#gen; }
+}
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+var iter = C.gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+assert.sameValue(item.value.x, 42);
+assert.sameValue(item.value.y, 39);
+assert.sameValue(Object.keys(item.value).length, 2);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/browser.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/shell.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..385e2b978c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier-escaped.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..22dbaab59b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-binding-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..2795745d2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference-escaped.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..b67e9655e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-identifier-reference.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..c08efad0c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier-escaped.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier.js
new file mode 100644
index 0000000000..3137bbb7dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-as-label-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier.case
+// - src/generators/syntax/class-decl-private-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators, class-methods-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * # PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *#gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..d8ec3056cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,85 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-spread-strict.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [object-spread, generators, class-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        return {
+             ...(function() {
+                var yield;
+                throw new Test262Error();
+             }()),
+          }
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..0d4ecfecc4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-identifier-strict-strict.js
@@ -0,0 +1,76 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-strict.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-methods-private]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        (function() {
+            var yield;
+            throw new Test262Error();
+          }())
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..5f066c3b1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-multiple.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: Use yield value in a array spread position (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-methods-private]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        yield [...yield yield];
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+item = iter.next(item.value);
+
+assert.compareArray(item.value, arr);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-single.js
new file mode 100644
index 0000000000..e683264094
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-single.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-single.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: Use yield value in a array spread position (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+---*/
+var arr = ['a', 'b', 'c'];
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        yield [...yield];
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next(false);
+var item = iter.next(arr);
+var value = item.value;
+
+assert.notSameValue(value, arr, 'value is a new array');
+assert(Array.isArray(value), 'value is an Array exotic object');
+assert.sameValue(value.length, 3)
+assert.sameValue(value[0], 'a');
+assert.sameValue(value[1], 'b');
+assert.sameValue(value[2], 'c');
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js
new file mode 100644
index 0000000000..cf3eb131fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-obj.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-obj.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: Use yield value in a object spread position (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [object-spread, generators, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        yield {
+            ...yield,
+            y: 1,
+            ...yield yield,
+          };
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+assert.sameValue(item.value.x, 42);
+assert.sameValue(item.value.y, 39);
+assert.sameValue(Object.keys(item.value).length, 2);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-getter.js b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-getter.js
new file mode 100644
index 0000000000..900bb55fe0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-getter.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to get a private member without getter throws TypeError
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet ( P, O )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class]
+---*/
+
+class C {
+  set #f(v) {
+    throw new Test262Error();
+  }
+
+  getAccess() {
+    return this.#f;
+  }
+}
+
+let c = new C();
+assert.throws(TypeError, function() {
+  c.getAccess();
+}, 'get operation on private accessor without getter should throw TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-static-getter.js b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-static-getter.js
new file mode 100644
index 0000000000..9958b1e474
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-private-static-getter.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to get a private member without getter throws TypeError
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet ( P, O )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-static-methods-private, class]
+---*/
+
+class C {
+  static set #f(v) {
+    throw new Test262Error();
+  }
+
+  static getAccess() {
+    return this.#f;
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.getAccess();
+}, 'get operation on private accessor without getter should throw TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-shadowed-private-getter.js b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-shadowed-private-getter.js
new file mode 100644
index 0000000000..c35e339eef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/get-access-of-missing-shadowed-private-getter.js
@@ -0,0 +1,91 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to get from PrivateName without [[Get]] throws TypeError
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class A {
+  get #f() {
+    throw new Test262Error();
+  }
+}
+
+class C extends A {
+  set #f(v) {
+    throw new Test262Error();
+  }
+
+  getAccess() {
+    return this.#f;
+  }
+}
+
+let c = new C();
+assert.throws(TypeError, function() {
+  c.getAccess();
+}, 'subclass private accessor should shadow super class private accessor');
+
+class B {
+  get #f() {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    set #f(v) {
+      throw new Test262Error();
+    }
+
+    getAccess() {
+      return this.#f;
+    }
+  }
+}
+
+let b = new B();
+let innerB = new b.Inner();
+assert.throws(TypeError, function() {
+  innerB.getAccess();
+}, 'inner class private accessor should shadow outer class private accessor');
+
+class D {
+  set #f(v) {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    get #f() {
+      throw new Test262Error();
+    }
+  }
+
+  getAccess() {
+    return this.#f;
+  }
+}
+
+let d = new D();
+assert.throws(TypeError, function() {
+  d.getAccess();
+}, 'inner class private accessor should not be visible to outer class private accessor');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js b/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js
new file mode 100644
index 0000000000..d0c3fc7cbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-field-optional-chaining.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName after '?.' is valid syntax (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, optional-chaining, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    OptionalChain[Yield, Await]:
+      `?.` `[` Expression[+In, ?Yield, ?Await] `]`
+      `?.` IdentifierName
+      `?.` Arguments[?Yield, ?Await]
+      `?.` TemplateLiteral[?Yield, ?Await, +Tagged]
+      `?.` PrivateIdentifier
+
+---*/
+
+
+class C {
+  #m = 'test262';
+
+  static access(obj) {
+    return obj?.#m;
+  }
+}
+
+let c = new C();
+
+assert.sameValue(C.access(c), 'test262');
+
+assert.sameValue(C.access(null), undefined);
+assert.sameValue(C.access(undefined), undefined);
+
+assert.throws(TypeError, function() {
+  C.access({});
+}, 'accessed private field from an ordinary object');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/indirect-eval-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/indirect-eval-contains-arguments.js
new file mode 100644
index 0000000000..5223d5dd2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/indirect-eval-contains-arguments.js
@@ -0,0 +1,23 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-arguments.case
+// - src/class-elements/initializer-indirect-eval-arguments/cls-decl-fields-indirect-eval.template
+/*---
+description: No error if `arguments` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated, noStrict]
+info: |
+    For indirect eval, the "Additional Early Error Rules for Eval Inside Initializer"
+    (in #sec-performeval-rules-in-initializer) are NOT applicable.
+
+---*/
+
+
+var arguments = 1;
+class C {
+  x = (0, eval)('arguments;');
+}
+
+assert.sameValue(new C().x, arguments);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..23dfc171bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-indirect-eval.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = (0, eval)('executed = true; new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/init-err-evaluation.js b/js/src/tests/test262/language/statements/class/elements/init-err-evaluation.js
new file mode 100644
index 0000000000..d661a37ab6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/init-err-evaluation.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-evaluation.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Return abrupt completion evaluating the field initializer (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    [[Construct]] ( argumentsList, newTarget)
+
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      ...
+    ...
+    11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    ...
+
+---*/
+var x = 0;
+function fn1() { x += 1; }
+function fn2() { throw new Test262Error(); }
+
+
+class C {
+  x = fn1();
+  y = fn2();
+  z = fn1();
+}
+
+assert.throws(Test262Error, function() {
+  new C();
+});
+
+assert.sameValue(x, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/init-value-defined-after-class.js b/js/src/tests/test262/language/statements/class/elements/init-value-defined-after-class.js
new file mode 100644
index 0000000000..d5e0029d15
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/init-value-defined-after-class.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-value-defined-after-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: The initializer value is defined after the class evaluation (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    [[Construct]] ( argumentsList, newTarget)
+
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      ...
+    ...
+    11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    ...
+
+---*/
+var x = false;
+
+
+class C {
+  [x] = x;
+}
+
+var c1 = new C();
+
+x = true;
+var c2 = new C();
+
+verifyProperty(c1, "false", {
+  value: false,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+verifyProperty(c2, "false", {
+  value: true,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c1.hasOwnProperty("true"), false);
+assert.sameValue(c2.hasOwnProperty("true"), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/init-value-incremental.js b/js/src/tests/test262/language/statements/class/elements/init-value-incremental.js
new file mode 100644
index 0000000000..6fd18c1f7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/init-value-incremental.js
@@ -0,0 +1,70 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-value-incremental.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: The initializer value is defined during the class instatiation (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    27. For each ClassElement e in order from elements
+      ...
+      d. Append to fieldRecords the elements of fields.
+    ...
+    33. Let result be InitializeStaticFields(F).
+    ...
+
+    [[Construct]] ( argumentsList, newTarget)
+
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      ...
+    ...
+    11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    ...
+
+---*/
+var x = 1;
+
+
+class C {
+  [x++] = x++;
+  [x++] = x++;
+}
+
+var c1 = new C();
+var c2 = new C();
+
+verifyProperty(c1, "1", {
+  value: 3,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+verifyProperty(c1, "2", {
+  value: 4,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+verifyProperty(c2, "1", {
+  value: 5,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+verifyProperty(c2, "2", {
+  value: 6,
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/intercalated-static-non-static-computed-fields.js b/js/src/tests/test262/language/statements/class/elements/intercalated-static-non-static-computed-fields.js
new file mode 100644
index 0000000000..5cd4ef79f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/intercalated-static-non-static-computed-fields.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/intercalated-static-non-static-computed-fields.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Computed class fields are executed in the order they are delcared, regardless it is static or instance field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+          i. Let field be the result of performing ClassElementEvaluation for e with arguments proto and false.
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for mClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+       ...
+       34. For each item fieldRecord in order from staticFields,
+         a. Perform ? DefineField(F, field).
+       ...
+
+    [[Construct]] (argumentsList, newTarget)
+      ...
+      8. If kind is "base", then
+        a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+        b. Let result be InitializeInstanceFields(thisArgument, F).
+        c. If result is an abrupt completion, then
+          i. Remove calleeContext from execution context stack and restore callerContext as the running execution context.
+          ii. Return Completion(result).
+
+---*/
+
+let i = 0;
+
+
+class C {
+  [i++] = i++;
+  static [i++] = i++;
+  [i++] = i++;
+}
+
+let c = new C();
+
+// It is important to notice that static field initializer will run before any instance initializer
+verifyProperty(c, "0", {
+  value: 4,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(c, "2", {
+  value: 5,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(C, "1", {
+  value: 3,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert.sameValue(i, 6);
+assert.sameValue(c.hasOwnProperty('1'), false);
+assert.sameValue(C.hasOwnProperty('0'), false);
+assert.sameValue(C.hasOwnProperty('2'), false);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..39a2bd81fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-literal-name.template
+/*---
+description: Syntax error if `arguments` used in class field (literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..a44c5fbb79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/literal-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-literal-name.template
+/*---
+description: Syntax error if `super()` used in class field (literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-names.js
new file mode 100644
index 0000000000..860928b3e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-names.js
@@ -0,0 +1,158 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Computed property names (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  [x] = 42; [10] = "meep"; ["not initialized"]
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-symbol-names.js
new file mode 100644
index 0000000000..fe31aada9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-computed-symbol-names.js
@@ -0,0 +1,156 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Computed property symbol names (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  [x]; [y] = 42
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..d014f636f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,160 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: PrivateName Static Semantics, StringValue (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;
+  m2() { return 39 }
+  bar = "barbaz";
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names-asi.js
new file mode 100644
index 0000000000..8ed80fdd78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names-asi.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Literal property names with ASI (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  a
+  b = 42;
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names.js
new file mode 100644
index 0000000000..052d34112d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-literal-names.js
@@ -0,0 +1,147 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Literal property names (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  a; b = 42;
+  c = fn
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-field-usage.js
new file mode 100644
index 0000000000..66093b3c15
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-field-usage.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: PrivateName CallExpression usage (private field) (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #m = 'test262';
+  m2() { return 39 }
+  bar = "barbaz";
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-getter-usage.js
new file mode 100644
index 0000000000..b750b761cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-getter-usage.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  get #m() { return 'test262'; }
+  m2() { return 39 }
+  bar = "barbaz";
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-usage.js
new file mode 100644
index 0000000000..b4818b335d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-method-usage.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: PrivateName CallExpression usage (private method) (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #m() { return 'test262'; }
+  m2() { return 39 }
+  bar = "barbaz";
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-names.js
new file mode 100644
index 0000000000..a369a26e8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-private-names.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: private names (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #x; #y
+  m2() { return 39 }
+  bar = "barbaz";
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..6cb971c04a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier-initializer.js
@@ -0,0 +1,138 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid FieldDefinition (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier.js
new file mode 100644
index 0000000000..a239133820
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-field-identifier.js
@@ -0,0 +1,145 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid FieldDefinition (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter-alt.js
new file mode 100644
index 0000000000..3a346bad69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter-alt.js
@@ -0,0 +1,179 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private getter (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter.js
new file mode 100644
index 0000000000..7825d5d35d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-getter.js
@@ -0,0 +1,179 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private getter (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method-alt.js
new file mode 100644
index 0000000000..424a19e2e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method-alt.js
@@ -0,0 +1,178 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private method (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method.js
new file mode 100644
index 0000000000..e956a4dc94
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-method.js
@@ -0,0 +1,178 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private method (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter-alt.js
new file mode 100644
index 0000000000..ec5b69c42d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter-alt.js
@@ -0,0 +1,178 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private setter (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter.js
new file mode 100644
index 0000000000..7d8736bd41
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-private-setter.js
@@ -0,0 +1,178 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName as private setter (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..62f2d55a44
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-alt.js
@@ -0,0 +1,160 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..984a087064
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,154 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..ae13ceac12
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier-initializer.js
@@ -0,0 +1,154 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier.js
new file mode 100644
index 0000000000..745f56f68d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-privatename-identifier.js
@@ -0,0 +1,160 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J
+  m2() { return 39 }
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..aa20ede391
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,185 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..b627bf9127
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,186 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ac5f408b1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,185 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..32a004095c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,186 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..95ebc4013d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,175 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..4829fb1886
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,176 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..81d12a9690
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,173 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static Method PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..9605b7ee9e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-method-privatename-identifier.js
@@ -0,0 +1,173 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static Method PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..86ab6e2259
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,161 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..06b667ddf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,161 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..c0ba4475a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,161 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..fde32f87d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,155 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..1800c41d03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,155 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..8da79d7865
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,155 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1
+  m2() { return 39 }
+  bar = "barbaz";
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..6aa6f017c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-rs-static-privatename-identifier.js
@@ -0,0 +1,161 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: Valid Static PrivateName (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  m2() { return 39 }
+  bar = "barbaz";
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-fields.js
new file mode 100644
index 0000000000..2d79468c3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-fields.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: static private fields (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #x; static #y
+  m2() { return 39 }
+  bar = "barbaz";
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..ae07f13ca4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods-with-fields.js
@@ -0,0 +1,139 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: static private methods with fields (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  static #xVal; static #yVal
+  m2() { return 39 }
+  bar = "barbaz";
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods.js
new file mode 100644
index 0000000000..73afd18ea3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-static-private-methods.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: static private methods (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  
+  m2() { return 39 }
+  bar = "barbaz";
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-definitions-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-string-literal-names.js
new file mode 100644
index 0000000000..0c19e95ae7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-definitions-string-literal-names.js
@@ -0,0 +1,160 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-multiple-definitions.template
+/*---
+description: String literal names (multiple fields definitions)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  foo = "foobar";
+  m() { return 42 }
+  'a'; "b"; 'c' = 39;
+  "d" = 42
+  m2() { return 39 }
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.m2(), 39);
+assert(!
+  Object.prototype.hasOwnProperty.call(c, "m2"),
+  "m2 doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m2, C.prototype.m2);
+
+verifyProperty(C.prototype, "m2", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-names.js
new file mode 100644
index 0000000000..33a3cd84b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-names.js
@@ -0,0 +1,130 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Computed property names (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"]
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-symbol-names.js
new file mode 100644
index 0000000000..dcc67070a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-computed-symbol-names.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Computed property symbol names (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..24576d030b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,132 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: PrivateName Static Semantics, StringValue (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;
+  foo = "foobar"
+  bar = "barbaz";
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names-asi.js
new file mode 100644
index 0000000000..18a29a486f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names-asi.js
@@ -0,0 +1,100 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Literal property names with ASI (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names.js
new file mode 100644
index 0000000000..24d02c0387
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-literal-names.js
@@ -0,0 +1,119 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Literal property names (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-field-usage.js
new file mode 100644
index 0000000000..924a3e50bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-field-usage.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: PrivateName CallExpression usage (private field) (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';
+  foo = "foobar"
+  bar = "barbaz";
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-getter-usage.js
new file mode 100644
index 0000000000..852b25356f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-getter-usage.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }
+  foo = "foobar"
+  bar = "barbaz";
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-usage.js
new file mode 100644
index 0000000000..5a14646ea9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-method-usage.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: PrivateName CallExpression usage (private method) (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }
+  foo = "foobar"
+  bar = "barbaz";
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-names.js
new file mode 100644
index 0000000000..84db117fb4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-private-names.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: private names (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y
+  foo = "foobar"
+  bar = "barbaz";
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..533d2babf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier-initializer.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid FieldDefinition (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier.js
new file mode 100644
index 0000000000..b374d79f0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-field-identifier.js
@@ -0,0 +1,117 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid FieldDefinition (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter-alt.js
new file mode 100644
index 0000000000..b7f773d106
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter-alt.js
@@ -0,0 +1,151 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private getter (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter.js
new file mode 100644
index 0000000000..48445c7ee5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-getter.js
@@ -0,0 +1,151 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private getter (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method-alt.js
new file mode 100644
index 0000000000..748cf0bee8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method-alt.js
@@ -0,0 +1,150 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private method (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method.js
new file mode 100644
index 0000000000..a73cd7cae0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-method.js
@@ -0,0 +1,150 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private method (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter-alt.js
new file mode 100644
index 0000000000..06ba60b3aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter-alt.js
@@ -0,0 +1,150 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private setter (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter.js
new file mode 100644
index 0000000000..1e148929e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-private-setter.js
@@ -0,0 +1,150 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName as private setter (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..b091d5ae3d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-alt.js
@@ -0,0 +1,132 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..e9ad66b790
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..d492a9b06f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier-initializer.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier.js
new file mode 100644
index 0000000000..750081b1a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-privatename-identifier.js
@@ -0,0 +1,132 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J
+  foo = "foobar"
+  bar = "barbaz";
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..8acf08510e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,157 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..f70868376a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,158 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..32a2350244
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,157 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..376984d386
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,158 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..3e03c04c06
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,147 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..35b1823259
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,148 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..fcf9196c27
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,145 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static Method PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..6ac8ee35a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-method-privatename-identifier.js
@@ -0,0 +1,145 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static Method PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..bead6c078e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,133 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..08cc2b9518
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,133 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..1a2de43efb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,133 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..303c606354
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..d2871d3ed9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..71d2d785a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1
+  foo = "foobar"
+  bar = "barbaz";
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..981cc5077c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-rs-static-privatename-identifier.js
@@ -0,0 +1,133 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: Valid Static PrivateName (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  foo = "foobar"
+  bar = "barbaz";
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-fields.js
new file mode 100644
index 0000000000..c6a380b05f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-fields.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: static private fields (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y
+  foo = "foobar"
+  bar = "barbaz";
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..f277b44498
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods-with-fields.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: static private methods with fields (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal
+  foo = "foobar"
+  bar = "barbaz";
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods.js
new file mode 100644
index 0000000000..7eb936ac03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-static-private-methods.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: static private methods (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  
+  foo = "foobar"
+  bar = "barbaz";
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-string-literal-names.js
new file mode 100644
index 0000000000..c9d5175d3f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/multiple-stacked-definitions-string-literal-names.js
@@ -0,0 +1,132 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-multiple-stacked-definitions.template
+/*---
+description: String literal names (multiple stacked fields definitions through ASI)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42
+  foo = "foobar"
+  bar = "barbaz";
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.foo, "foobar");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "foo"),
+  "foo doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "foo"),
+  "foo doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "foo", {
+  value: "foobar",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.bar, "barbaz");
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "bar"),
+  "bar doesn't appear as an own property on the C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "bar"),
+  "bar doesn't appear as an own property on the C prototype"
+);
+
+verifyProperty(c, "bar", {
+  value: "barbaz",
+  enumerable: true,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-arguments.js
new file mode 100644
index 0000000000..d777f2b55d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-arguments.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-arrow-fnc-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => {
+    var t = () => arguments;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-super.js
new file mode 100644
index 0000000000..10f67a1320
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-arrow-fnc-init-err-contains-super.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-arrow-fnc-nested.template
+/*---
+description: Syntax error if `super()` used in class field (arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => {
+    var t = () => super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..97177d04c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-comp-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  [x] = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-super.js
new file mode 100644
index 0000000000..e0bd645948
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-comp-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-comp-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  [x] = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..d875a6e5b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval-nested.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super.x;');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..16ae4d6b01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-eval-nested.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super["x"];');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..569749c78d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-nested.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..3ab9102756
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-nested.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..d93ba84757
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-eval-nested.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = eval('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..c1e072e3e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..abc413ecb9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..d20d056c18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..0f10cd6926
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..d5a13181f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  x = (0, eval)('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..031e5086d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-arguments.js
@@ -0,0 +1,41 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-fields-eval-nested.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = () => {
+    var t = () => { eval('executed = true; arguments;'); };
+    t();
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C().x();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..eec4e3a676
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-direct-eval-err-contains-newtarget.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-eval-nested.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = eval('executed = true; new.target;');
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-arguments.js
new file mode 100644
index 0000000000..097ec48013
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-equality-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (equality expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => {} == arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-super.js
new file mode 100644
index 0000000000..161d0fb529
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-equality-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-equality-nested.template
+/*---
+description: Syntax error if `super()` used in class field (equality expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => {} == super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-contains-arguments.js
new file mode 100644
index 0000000000..ac4e817cd0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-contains-arguments.js
@@ -0,0 +1,25 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-arguments.case
+// - src/class-elements/initializer-indirect-eval-arguments/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: No error if `arguments` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public]
+flags: [generated, noStrict]
+info: |
+    For indirect eval, the "Additional Early Error Rules for Eval Inside Initializer"
+    (in #sec-performeval-rules-in-initializer) are NOT applicable.
+
+---*/
+
+
+var arguments = 1;
+class C {
+  x = () => {
+    var t = () => (0, eval)('arguments;');
+    return t();
+  }
+}
+assert.sameValue(new C().x(), arguments);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..19eae85f80
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-fields-indirect-eval-nested.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-public]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  x = (0, eval)('executed = true; new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..1c7453e69d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-literal-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..bda742293c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-literal-name-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-literal-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-arguments.js
new file mode 100644
index 0000000000..ad61eb20a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-arguments.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-arrow-fnc-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => {
+    var t = () => arguments;
+    t();
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-super.js
new file mode 100644
index 0000000000..57f5aff25e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-arrow-fnc-init-err-contains-super.js
@@ -0,0 +1,32 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-arrow-fnc-nested.template
+/*---
+description: Syntax error if `super()` used in class field (private field, arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => {
+    var t = () => super();
+    t();
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..d01a521970
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval-nested.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super.x;');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..d667ad9743
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval-nested.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super["x"];');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..ed1137492c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-nested.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..292515caf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-nested.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..ca01d01130
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval-nested.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..ae20c0061a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..1c5fda8bd9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..b0f130dc03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..4683284688
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..246de345ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..d4829e845d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-arguments.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-private-fields-eval-nested.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = () => {
+    var t = () => { eval('executed = true; arguments;'); };
+    t();
+  }
+  constructor() {
+    this.#x();
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..c6a569e620
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-direct-eval-err-contains-newtarget.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-eval-nested.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = eval('executed = true; new.target;');
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-contains-arguments.js
new file mode 100644
index 0000000000..289dc6ac40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-contains-arguments.js
@@ -0,0 +1,26 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-arguments.case
+// - src/class-elements/initializer-indirect-eval-arguments/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: No error if `arguments` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated, noStrict]
+info: |
+    For indirect eval, the "Additional Early Error Rules for Eval Inside Initializer"
+    (in #sec-performeval-rules-in-initializer) are NOT applicable.
+
+---*/
+
+
+var arguments = 1;
+class C {
+  #x = (0, eval)('arguments;');
+  x() {
+    return this.#x;
+  }
+}
+
+assert.sameValue(new C().x(), arguments);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..f9f824135c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-indirect-eval-nested.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = (0, eval)('executed = true; new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..394b818a8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (ClassElementName PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..3897026538
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-literal-name-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (ClassElementName PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-arguments.js
new file mode 100644
index 0000000000..1679bacb40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-ternary-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => false ? {} : arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-super.js
new file mode 100644
index 0000000000..c94b09834e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-ternary-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-ternary-nested.template
+/*---
+description: Syntax error if `super()` used in class field (private field, ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => false ? {} : super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-arguments.js
new file mode 100644
index 0000000000..a065f17a75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-typeof-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => typeof arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-super.js
new file mode 100644
index 0000000000..8932fdcd0b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-private-typeof-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-typeof-nested.template
+/*---
+description: Syntax error if `super()` used in class field (private field, typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => typeof super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..96be893a02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-comp-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (static computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  static [x] = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-super.js
new file mode 100644
index 0000000000..533d727312
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-comp-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-comp-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (static computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  static [x] = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-arguments.js
new file mode 100644
index 0000000000..3dcf75e485
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-literal-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (static literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static x = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-super.js
new file mode 100644
index 0000000000..a211594fda
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-literal-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-literal-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (static literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static x = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-arguments.js
new file mode 100644
index 0000000000..a02931ce9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-private-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (static PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static #x = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-super.js
new file mode 100644
index 0000000000..5247871b54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-private-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-private-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (static PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static #x = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..ee3bf5639e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-string-literal-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (static string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static 'x' = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..26c744f4f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-static-string-literal-name-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-string-literal-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (static string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static 'x' = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..cb03937f68
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-string-literal-name-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  'x' = () => arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..08f9b9fe11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-string-literal-name-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-string-literal-name-nested.template
+/*---
+description: Syntax error if `super()` used in class field (string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  'x' = () => super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-arguments.js
new file mode 100644
index 0000000000..4868adf924
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-ternary-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => false ? {} : arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-super.js
new file mode 100644
index 0000000000..2b9ec450d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-ternary-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-ternary-nested.template
+/*---
+description: Syntax error if `super()` used in class field (ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => false ? {} : super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-arguments.js
new file mode 100644
index 0000000000..f3fd252bcc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-arguments.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-typeof-nested.template
+/*---
+description: Syntax error if `arguments` used in class field (typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => typeof arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-super.js
new file mode 100644
index 0000000000..cffa546d4d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/nested-typeof-init-err-contains-super.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-typeof-nested.template
+/*---
+description: Syntax error if `super()` used in class field (typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  x = () => typeof super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-names.js
new file mode 100644
index 0000000000..5772bdea7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-names.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Computed property names (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"]
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-symbol-names.js
new file mode 100644
index 0000000000..c65e3a6c7a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-computed-symbol-names.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Computed property symbol names (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..d5358ecc82
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;
+  m() { return 42; }
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names-asi.js
new file mode 100644
index 0000000000..730fec9f6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names-asi.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Literal property names with ASI (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names.js
new file mode 100644
index 0000000000..2ba4cf4418
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-literal-names.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Literal property names (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-field-usage.js
new file mode 100644
index 0000000000..f4c1de7f9e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-field-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';
+  m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..cc6ada0071
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-getter-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }
+  m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-usage.js
new file mode 100644
index 0000000000..ed4e7aa0ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-method-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }
+  m() { return 42; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-names.js
new file mode 100644
index 0000000000..7e7e12716a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-private-names.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: private names (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y
+  m() { return 42; }
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..0aa8cf5549
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier-initializer.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier.js
new file mode 100644
index 0000000000..f82c1d13b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-field-identifier.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..25431263b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter-alt.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter.js
new file mode 100644
index 0000000000..642a2eb491
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-getter.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..6bb366ad75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method.js
new file mode 100644
index 0000000000..72947f435c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-method.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..04a7af2f92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter.js
new file mode 100644
index 0000000000..478b154ae1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-private-setter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..71a5f0d71e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..6401ea1ada
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1
+  m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..cddab94cb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1
+  m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..9cd8abddef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..1115796bfd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }
+  m() { return 42; }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..01c5527c19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..6fb19f0e10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }
+  m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..2fedbcc4e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }
+  m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..3db89f438d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..b65b950b05
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..f60b0ac875
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }
+  m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..f5bf797fff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }
+  m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..4b82b013c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..47b387cfb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..0e2b75505c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..932cab6817
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  m() { return 42; }
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..0fd537d010
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..6c7ca87eac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1
+  m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..a275dbeeee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-rs-static-privatename-identifier.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-fields.js
new file mode 100644
index 0000000000..6c01d01493
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-fields.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: static private fields (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y
+  m() { return 42; }
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..ea43ef6308
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods-with-fields.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: static private methods with fields (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal
+  m() { return 42; }
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods.js
new file mode 100644
index 0000000000..a1368e60ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-static-private-methods.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: static private methods (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  
+  m() { return 42; }
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-string-literal-names.js
new file mode 100644
index 0000000000..1d90148868
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-no-sc-line-method-string-literal-names.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-new-no-sc-line-method.template
+/*---
+description: String literal names (field definitions followed by a method in a new line without a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-names.js
new file mode 100644
index 0000000000..0d162e255e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-names.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Computed property names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"];
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..7dc9395d6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-computed-symbol-names.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Computed property symbol names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..026640d37a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  *m() { return 42; }
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names-asi.js
new file mode 100644
index 0000000000..a5d140da93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names-asi.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Literal property names with ASI (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names.js
new file mode 100644
index 0000000000..2725d067a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-literal-names.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Literal property names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-field-usage.js
new file mode 100644
index 0000000000..81e3a294de
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-field-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';;
+  *m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..7cfb03aad9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-getter-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; };
+  *m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-usage.js
new file mode 100644
index 0000000000..ed69bf33f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-method-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; };
+  *m() { return 42; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-names.js
new file mode 100644
index 0000000000..939372768d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-private-names.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: private names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y;
+  *m() { return 42; }
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..2dc3866901
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..71d68269be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-field-identifier.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..c189c19726
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter-alt.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter.js
new file mode 100644
index 0000000000..8d6f5c08ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-getter.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..ba250447a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method.js
new file mode 100644
index 0000000000..b900f33e56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-method.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..225e4b4edb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter.js
new file mode 100644
index 0000000000..c41b4487a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-private-setter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..35498f2223
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..fba538c7d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  *m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..b145ef1dd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  *m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..855a649b26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..67cfec91a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  *m() { return 42; }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..d11b746cb8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2829df2ddf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  *m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..3a0eee48bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  *m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..6432137d51
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..6c3c2e45bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2397b6c820
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  *m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..acb708bb49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  *m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..a558cd6148
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  *m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..03efb13b72
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  *m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..3ba13a2e10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  *m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..d6d305fc67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  *m() { return 42; }
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..dba6c15312
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  *m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..73f5afb3a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  *m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..0c59b4f671
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  *m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-fields.js
new file mode 100644
index 0000000000..4a158fc799
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-fields.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: static private fields (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y;
+  *m() { return 42; }
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..9e35870051
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods-with-fields.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: static private methods with fields (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal;
+  *m() { return 42; }
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods.js
new file mode 100644
index 0000000000..f184130b48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-static-private-methods.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: static private methods (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;
+  *m() { return 42; }
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-string-literal-names.js
new file mode 100644
index 0000000000..9eae83137e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-gen-string-literal-names.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-generator.template
+/*---
+description: String literal names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42;
+  *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-names.js
new file mode 100644
index 0000000000..1fc29ec2ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-names.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Computed property names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"];
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-symbol-names.js
new file mode 100644
index 0000000000..a056e38fb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-computed-symbol-names.js
@@ -0,0 +1,106 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Computed property symbol names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..da1063e3e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  m() { return 42; }
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names-asi.js
new file mode 100644
index 0000000000..1d58676f76
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names-asi.js
@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Literal property names with ASI (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names.js
new file mode 100644
index 0000000000..182103077c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-literal-names.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Literal property names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-field-usage.js
new file mode 100644
index 0000000000..9bc9044082
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-field-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';;
+  m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..e879cf66c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-getter-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; };
+  m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-usage.js
new file mode 100644
index 0000000000..a3c1f7b671
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-method-usage.js
@@ -0,0 +1,50 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; };
+  m() { return 42; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-names.js
new file mode 100644
index 0000000000..4874428248
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-private-names.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: private names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y;
+  m() { return 42; }
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..c4d712146c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier-initializer.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier.js
new file mode 100644
index 0000000000..2372787738
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-field-identifier.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..bb4149d6ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter-alt.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter.js
new file mode 100644
index 0000000000..9f5b4ece4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-getter.js
@@ -0,0 +1,129 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..239d65744e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method.js
new file mode 100644
index 0000000000..0056ecde83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-method.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..c95ce333ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter.js
new file mode 100644
index 0000000000..33b324895b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-private-setter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..6826cb6dea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..a01e4f7b14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..5fe94107f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..01c917154e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..5ad352be49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  m() { return 42; }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..13bf7cefb5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..4ddcf3c8c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..85de245b7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..78a95feb85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..82b2ec6d18
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..35b209fff2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..7fbc907383
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,123 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..ba19461f26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..3f64c4b090
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..6702dff50a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..45a772c8f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  m() { return 42; }
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..42f363a9cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..b5b7b7e340
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..4c51ca0bd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-rs-static-privatename-identifier.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-fields.js
new file mode 100644
index 0000000000..ecb032989a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-fields.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: static private fields (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y;
+  m() { return 42; }
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..fa2cf48168
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods-with-fields.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: static private methods with fields (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal;
+  m() { return 42; }
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods.js
new file mode 100644
index 0000000000..160950265f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-static-private-methods.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: static private methods (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;
+  m() { return 42; }
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-string-literal-names.js
new file mode 100644
index 0000000000..09c7a06843
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/new-sc-line-method-string-literal-names.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-new-sc-line-method.template
+/*---
+description: String literal names (field definitions followed by a method in a new line with a semicolon)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42;
+  m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-is-visible-in-computed-properties.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-is-visible-in-computed-properties.js
new file mode 100644
index 0000000000..0084349ef3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-is-visible-in-computed-properties.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private getter of a class is visible in its ComputetProperty scope
+esid: prod-ClassTail
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    ...
+    15. Set the running execution context's LexicalEnvironment to classScope.
+    16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of e is false, then
+        i. Let field be the result of ClassElementEvaluation for e with arguments proto and false.
+    ...
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+assert.throws(TypeError, function() {
+  class C {
+    get #f() {
+      throw new Test262Error();
+    }
+
+    [this.#f] = 'Test262';
+  }
+}, 'access to a private acessor from ordinary object');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/browser.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWJ.js
new file mode 100644
index 0000000000..ac75d7fc59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWJ.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-ZWJ.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - ZWJ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #ZW_\u200D_J() { return 'get string'; }
+  set #ZW_\u200D_J(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#ZW_‍_J;
+  }
+
+  setPrivateReference(value) {
+    this.#ZW_‍_J = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWNJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWNJ.js
new file mode 100644
index 0000000000..d99e759d6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-ZWNJ.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-ZWNJ.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - ZWNJ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #ZW_\u200C_NJ() { return 'get string'; }
+  set #ZW_\u200C_NJ(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#ZW_‌_NJ;
+  }
+
+  setPrivateReference(value) {
+    this.#ZW_‌_NJ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u2118.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u2118.js
new file mode 100644
index 0000000000..c9470c32e0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u2118.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-u2118.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - u2118 (℘) (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #\u2118() { return 'get string'; }
+  set #\u2118(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#℘;
+  }
+
+  setPrivateReference(value) {
+    this.#℘ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u6F.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u6F.js
new file mode 100644
index 0000000000..7bd39f4bb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-escape-sequence-u6F.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-u6F.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - u6F (o) (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #\u{6F}() { return 'get string'; }
+  set #\u{6F}(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#o;
+  }
+
+  setPrivateReference(value) {
+    this.#o = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWJ.js
new file mode 100644
index 0000000000..5c8ebeaef5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWJ.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-ZWJ.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - ZWJ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #ZW_‍_J() { return 'get string'; }
+  set #ZW_‍_J(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#ZW_‍_J;
+  }
+
+  setPrivateReference(value) {
+    this.#ZW_‍_J = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWNJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWNJ.js
new file mode 100644
index 0000000000..85a6a43601
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-ZWNJ.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-ZWNJ.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - ZWNJ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #ZW_‌_NJ() { return 'get string'; }
+  set #ZW_‌_NJ(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#ZW_‌_NJ;
+  }
+
+  setPrivateReference(value) {
+    this.#ZW_‌_NJ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-common.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-common.js
new file mode 100644
index 0000000000..70756ae6ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-common.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-common.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - common (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #test262() { return 'get string'; }
+  set #test262(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#test262;
+  }
+
+  setPrivateReference(value) {
+    this.#test262 = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-dollar.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-dollar.js
new file mode 100644
index 0000000000..e151c45262
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-dollar.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-dollar.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - $ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #$() { return 'get string'; }
+  set #$(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#$;
+  }
+
+  setPrivateReference(value) {
+    this.#$ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-u2118.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-u2118.js
new file mode 100644
index 0000000000..9e000f3a63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-u2118.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-u2118.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - ℘ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #℘() { return 'get string'; }
+  set #℘(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#℘;
+  }
+
+  setPrivateReference(value) {
+    this.#℘ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-underscore.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-underscore.js
new file mode 100644
index 0000000000..febea21fec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/inst-private-name-underscore.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-underscore.case
+// - src/accessor-names/private/cls-private-decl-inst.template
+/*---
+description: Private IdentifierName - _ (Class declaration, private instance method)
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  get #_() { return 'get string'; }
+  set #_(param) { stringSet = param; }
+
+  getPrivateReference() {
+    return this.#_;
+  }
+
+  setPrivateReference(value) {
+    this.#_ = value;
+  }
+};
+
+var inst = new C();
+
+assert.sameValue(inst.getPrivateReference(), 'get string');
+
+inst.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/shell.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWJ.js
new file mode 100644
index 0000000000..351eb7f5b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWJ.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-ZWJ.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - ZWJ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #ZW_\u200D_J() { return 'get string'; }
+  static set #ZW_\u200D_J(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#ZW_‍_J;
+  }
+
+  static setPrivateReference(value) {
+    this.#ZW_‍_J = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWNJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWNJ.js
new file mode 100644
index 0000000000..05ea4118f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-ZWNJ.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-ZWNJ.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - ZWNJ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #ZW_\u200C_NJ() { return 'get string'; }
+  static set #ZW_\u200C_NJ(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#ZW_‌_NJ;
+  }
+
+  static setPrivateReference(value) {
+    this.#ZW_‌_NJ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u2118.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u2118.js
new file mode 100644
index 0000000000..554a6a1034
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u2118.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-u2118.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - u2118 (℘) (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #\u2118() { return 'get string'; }
+  static set #\u2118(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#℘;
+  }
+
+  static setPrivateReference(value) {
+    this.#℘ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u6F.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u6F.js
new file mode 100644
index 0000000000..1420f0d547
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-escape-sequence-u6F.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-escape-sequence-u6F.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - u6F (o) (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #\u{6F}() { return 'get string'; }
+  static set #\u{6F}(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#o;
+  }
+
+  static setPrivateReference(value) {
+    this.#o = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWJ.js
new file mode 100644
index 0000000000..fa0d3b1a6a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWJ.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-ZWJ.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - ZWJ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #ZW_‍_J() { return 'get string'; }
+  static set #ZW_‍_J(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#ZW_‍_J;
+  }
+
+  static setPrivateReference(value) {
+    this.#ZW_‍_J = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWNJ.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWNJ.js
new file mode 100644
index 0000000000..15fc7dbbd8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-ZWNJ.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-ZWNJ.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - ZWNJ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #ZW_‌_NJ() { return 'get string'; }
+  static set #ZW_‌_NJ(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#ZW_‌_NJ;
+  }
+
+  static setPrivateReference(value) {
+    this.#ZW_‌_NJ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-common.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-common.js
new file mode 100644
index 0000000000..ddc98e5e34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-common.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-common.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - common (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #test262() { return 'get string'; }
+  static set #test262(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#test262;
+  }
+
+  static setPrivateReference(value) {
+    this.#test262 = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-dollar.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-dollar.js
new file mode 100644
index 0000000000..a71d3733a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-dollar.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-dollar.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - $ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #$() { return 'get string'; }
+  static set #$(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#$;
+  }
+
+  static setPrivateReference(value) {
+    this.#$ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-u2118.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-u2118.js
new file mode 100644
index 0000000000..914573983b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-u2118.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-u2118.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - ℘ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #℘() { return 'get string'; }
+  static set #℘(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#℘;
+  }
+
+  static setPrivateReference(value) {
+    this.#℘ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-underscore.js b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-underscore.js
new file mode 100644
index 0000000000..7356830d4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-accessor-name/static-private-name-underscore.js
@@ -0,0 +1,79 @@
+// This file was procedurally generated from the following sources:
+// - src/accessor-names/private-name-underscore.case
+// - src/accessor-names/private/cls-private-decl-static.template
+/*---
+description: Private IdentifierName - _ (Class declaration, static method)
+features: [class, class-static-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+var stringSet;
+
+class C {
+  static get #_() { return 'get string'; }
+  static set #_(param) { stringSet = param; }
+
+  static getPrivateReference() {
+    return this.#_;
+  }
+
+  static setPrivateReference(value) {
+    this.#_ = value;
+  }
+}
+
+assert.sameValue(C.getPrivateReference(), 'get string');
+
+C.setPrivateReference('set string');
+assert.sameValue(stringSet, 'set string');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-arguments.js
new file mode 100644
index 0000000000..651ce6c2e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-arguments.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-arrow-fnc.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => arguments;
+}
+
diff --git a/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-super.js
new file mode 100644
index 0000000000..63e05382c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-arrow-fnc-init-err-contains-super.js
@@ -0,0 +1,29 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-arrow-fnc.template
+/*---
+description: Syntax error if `super()` used in class field (private field, arrow function expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, arrow-function, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = () => super();
+}
+
diff --git a/js/src/tests/test262/language/statements/class/elements/private-async-generator-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-async-generator-method-name.js
new file mode 100644
index 0000000000..6d631f0d72
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-async-generator-method-name.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-async-generator-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private async generators methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    AsyncMethod : async [no LineTerminator here] * ClassElementName (UniqueFormalParameters) { AsyncFunctionBody }
+      1. Let propKey be the result of evaluating ClassElementName.
+      ...
+      12. Perform ? DefineOrdinaryMethod(key, homeObject, closure, enumerable).
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  async * #method() {};
+
+  getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-async-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-async-method-name.js
new file mode 100644
index 0000000000..f7318e2cea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-async-method-name.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-async-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private async methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    AsyncMethod : async [no LineTerminator here] ClassElementName (UniqueFormalParameters) { AsyncFunctionBody }
+      1. Let propKey be the result of evaluating ClassElementName.
+      ...
+      10. Perform ? DefineOrdinaryMethod(key, homeObject, closure, enumerable).
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  async #method() {};
+
+  getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-class-field-on-frozen-objects-strict.js b/js/src/tests/test262/language/statements/class/elements/private-class-field-on-frozen-objects-strict.js
new file mode 100644
index 0000000000..8c90bfdd31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-class-field-on-frozen-objects-strict.js
@@ -0,0 +1,34 @@
+'use strict';
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: It is possible to add private fields on frozen objects
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+features: [class, class-fields-private, class-fields-public]
+flags: [onlyStrict]
+---*/
+
+class Test {
+  f = this;
+  #g = (Object.freeze(this), "Test262");
+
+  get g() {
+    return this.#g;
+  }
+}
+
+let t = new Test();
+assert.sameValue(t.f, t);
+assert.sameValue(t.g, "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..b7a7ecf1b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-1.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval.template
+/*---
+description: super.x in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super.x;');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..ba434a3f39
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-contains-superproperty-2.js
@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-eval.template
+/*---
+description: super['x'] in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super["x"];');
+}
+
+new C();
+
+assert.sameValue(executed, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..5a6449746f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval.template
+/*---
+description: error if `super()['x']` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..31b908edd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval.template
+/*---
+description: error if `super().x` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..e565f03a28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-direct-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-eval.template
+/*---
+description: error if `super()` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = eval('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-1.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-1.js
new file mode 100644
index 0000000000..2d40dd1074
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-1.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval.template
+/*---
+description: super.x in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super.x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-2.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-2.js
new file mode 100644
index 0000000000..f8a3a172f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-contains-superproperty-2.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-superproperty-2.case
+// - src/class-elements/initializer-eval-super-property/cls-decl-private-fields-indirect-eval.template
+/*---
+description: super['x'] in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Methods
+
+      These static semantics are applied by PerformEval when a direct eval call occurs outside of a MethodDefinition.
+
+      ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperProperty.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-1.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-1.js
new file mode 100644
index 0000000000..531cb1436b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-1.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-1.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval.template
+/*---
+description: error if `super()['x']` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super()["x"];');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-2.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-2.js
new file mode 100644
index 0000000000..1f2393a9c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall-2.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall-2.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval.template
+/*---
+description: error if `super().x` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super().x;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall.js b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall.js
new file mode 100644
index 0000000000..b034236fee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-derived-cls-indirect-eval-err-contains-supercall.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-supercall.case
+// - src/class-elements/initializer-eval-super-call/cls-decl-private-fields-indirect-eval.template
+/*---
+description: error if `super()` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Constructor Methods
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of the constructor method of a ClassDeclaration or ClassExpression.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains SuperCall.
+
+---*/
+
+
+var executed = false;
+class A {}
+class C extends A {
+  #x = (0, eval)('executed = true; super();');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-arguments.js
new file mode 100644
index 0000000000..1e10f34afd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-arguments.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-arguments.case
+// - src/class-elements/initializer-direct-eval-arguments/cls-decl-private-fields-eval.template
+/*---
+description: error if `arguments` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if ContainsArguments of StatementList is true.
+      ...
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = eval('executed = true; arguments;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..296e3c82f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-direct-eval-err-contains-newtarget.js
@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-eval.template
+/*---
+description: error if `new.target` in StatementList of eval (direct eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = eval('executed = true; new.target;');
+}
+
+var c = new C();
+
+assert.sameValue(executed, true);
+assert.sameValue(c.x, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..15051fcb92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-arrow-function.js
@@ -0,0 +1,43 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private field is visible on inner arrow function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #f = 'Test262';
+
+  method() {
+    let arrowFunction = () => {
+      return this.#f;
+    }
+
+    return arrowFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private field from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-function.js
new file mode 100644
index 0000000000..e2d3d663ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-access-on-inner-function.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private field is visible on inner function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #f = 'Test262';
+
+  method() {
+    let self = this;
+    function innerFunction() {
+      return self.#f;
+    }
+
+    return innerFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private field from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js b/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js
new file mode 100644
index 0000000000..9ed4c44f1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-after-optional-chain.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-after-optional-chain.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: OptionalChain.PrivateIdentifier is a valid syntax (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, optional-chaining, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    OptionalChain[Yield, Await] :
+      `?.` `[` Expression[+In, ?Yield, ?Await] `]`
+      `?.` IdentifierName
+      `?.` Arguments[?Yield, ?Await]
+      `?.` TemplateLiteral[?Yield, ?Await, +Tagged]
+      OptionalChain[?Yield, ?Await]  `[` Expression[+In, ?Yield, ?Await] `]`
+      OptionalChain[?Yield, ?Await] `.` IdentifierName
+      OptionalChain[?Yield, ?Await] Arguments[?Yield, ?Await]
+      OptionalChain[?Yield, ?Await] TemplateLiteral[?Yield, ?Await, +Tagged]
+      OptionalChain[?Yield, ?Await] `.` PrivateIdentifier
+
+---*/
+
+
+class C {
+  #f = 'Test262';
+
+  method(o) {
+    return o?.c.#f;
+  }
+}
+
+let c = new C();
+let o = {c: c};
+assert.sameValue(c.method(o), 'Test262');
+
+assert.sameValue(c.method(null), undefined);
+assert.sameValue(c.method(undefined), undefined);
+
+o = {c: new Object()};
+assert.throws(TypeError, function() {
+  c.method(o);
+}, 'accessed private field from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-as-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-as-arrow-function.js
new file mode 100644
index 0000000000..85e3f2c133
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-as-arrow-function.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-as-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Calling arrow function returned from private field access (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, arrow-function, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = () => 'test262';
+
+  method() {
+    return this.#m();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-as-async-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-as-async-arrow-function.js
new file mode 100644
index 0000000000..1adaa1c557
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-as-async-arrow-function.js
@@ -0,0 +1,37 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-as-async-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Calling async arrow function returned from private field access (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, async-functions, arrow-function, class]
+flags: [generated, async]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = async () => 'test262';
+
+  method() {
+    return this.#m();
+  }
+}
+
+let c = new C();
+
+c.method().then((value) => assert.sameValue(value, 'test262'))
+  .then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-as-async-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-as-async-function.js
new file mode 100644
index 0000000000..80d08d209b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-as-async-function.js
@@ -0,0 +1,37 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-as-async-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Calling async function returned from private field access (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, async-functions, class]
+flags: [generated, async]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = async function() { return 'test262'; };
+
+  method() {
+    return this.#m();
+  }
+}
+
+let c = new C();
+
+c.method().then((value) => assert.sameValue(value, 'test262'))
+  .then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-as-function.js b/js/src/tests/test262/language/statements/class/elements/private-field-as-function.js
new file mode 100644
index 0000000000..e710d58eb3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-as-function.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-as-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Calling result returned from private field access (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = function () { return 'test262'; };
+
+  method() {
+    return this.#m();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-is-not-clobbered-by-computed-property.js b/js/src/tests/test262/language/statements/class/elements/private-field-is-not-clobbered-by-computed-property.js
new file mode 100644
index 0000000000..1121bb41f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-is-not-clobbered-by-computed-property.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private field is not clobbered by computed property
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-fields-public, class-fields-private, class]
+---*/
+
+class C {
+  #m = 44;
+  ["#m"] = this.#m / 11;
+
+  checkPrivateField() {
+    assert.sameValue(this.hasOwnProperty("#m"), true);
+    assert.sameValue("#m" in this, true);
+  
+    assert.sameValue(this["#m"], 4);
+  
+    assert.sameValue(this.#m, 44);
+  
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateField(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-is-visible-in-computed-properties.js b/js/src/tests/test262/language/statements/class/elements/private-field-is-visible-in-computed-properties.js
new file mode 100644
index 0000000000..cb2bb60987
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-is-visible-in-computed-properties.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateName of a class is visible in its ComputetProperty scope
+esid: prod-ClassTail
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    ...
+    8. If ClassBodyopt is present, then
+        a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+          i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+          ii. Let privateName be NewPrivateName(dn).
+          iii. Perform ! classPrivateEnvRec.InitializeBinding(dn, dn).
+    ...
+    15. Set the running execution context's LexicalEnvironment to classScope.
+    16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of e is false, then
+        i. Let field be the result of ClassElementEvaluation for e with arguments proto and false.
+    ...
+
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Return ? PrivateFieldGet(GetReferencedName(V), base).
+
+  PrivateFieldGet ( P, O )
+    ...
+    4. If entry is empty, throw a TypeError exception.
+    ...
+
+features: [class-fields-private, class-fields-public, class]
+---*/
+
+const self = this;
+assert.throws(TypeError, function() {
+  class C {
+    [self.#f] = 'Test262';
+    #f = 'foo';
+  }
+}, 'access to a not defined private field in object should throw a TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-field-on-nested-class.js
new file mode 100644
index 0000000000..fe62912de9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-on-nested-class.js
@@ -0,0 +1,47 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #outer = 'test262';
+
+  B_withoutPrivateField = class {
+    method(o) {
+      return o.#outer;
+    }
+  }
+
+  B_withPrivateField = class {
+    #inner = 42;
+    method(o) {
+      return o.#outer;
+    }
+  }
+}
+
+let c = new C();
+let innerB1 = new c.B_withoutPrivateField();
+assert.sameValue(innerB1.method(c), 'test262');
+let innerB2 = new c.B_withPrivateField();
+assert.sameValue(innerB2.method(c), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval-on-initializer.js b/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval-on-initializer.js
new file mode 100644
index 0000000000..5abd78669d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval-on-initializer.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private field is visible on initializer with direct eval
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-fields-private, class-fields-public, class]
+---*/
+
+class C {
+  #m = 44;
+  v = eval("this.#m");
+}
+
+let c = new C();
+assert.sameValue(c.v, 44);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval.js
new file mode 100644
index 0000000000..706e4a64b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-visible-to-direct-eval.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private field is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-fields-private, class]
+---*/
+
+class C {
+  #m = 44;
+
+  getWithEval() {
+    return eval("this.#m");
+  }
+}
+
+class D {
+  #m = 44;
+}
+
+let c = new C();
+assert.sameValue(c.getWithEval(), 44);
+
+let d = new D();
+assert.throws(TypeError, function() {
+  c.getWithEval.call(d);
+}, "invalid access to a private field");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-field-with-initialized-id-is-visible-in-computed-properties.js b/js/src/tests/test262/language/statements/class/elements/private-field-with-initialized-id-is-visible-in-computed-properties.js
new file mode 100644
index 0000000000..5945177e73
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-field-with-initialized-id-is-visible-in-computed-properties.js
@@ -0,0 +1,78 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateName of a class is visible in its ComputetProperty scope
+esid: prod-ClassTail
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    ...
+    8. If ClassBodyopt is present, then
+        a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+          i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+    ...
+    15. Set the running execution context's LexicalEnvironment to classScope.
+    16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of e is false, then
+        i. Let field be the result of ClassElementEvaluation for e with arguments proto and false.
+    ...
+
+  FieldDefinition : ClassElementName Initializer
+    1. Let name be the result of evaluating ClassElementName.
+    ...
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MemberExpression : MemberExpression . PrivateIdentifier
+    ...
+    5. Return MakePrivateReference(bv, fieldNameString).
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    ...
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    ...
+
+  GetValue (V)
+    ...
+    5. If IsPropertyReference(V), then
+      a. If HasPrimitiveBase(V), then
+        i. Assert: In this case, base will never be null or undefined.
+        ii. Let base be ToObject(base).
+      b. If IsPrivateReference(V), then
+        i. Return ? PrivateFieldGet(GetReferencedName(V), base).
+    6. Else,
+      a. Assert: base is an Environment Record.
+      b. Return ? base.GetBindingValue(GetReferencedName(V), IsStrictReference(V)).
+
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. Assert: Type(O) is Object.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class-fields-private, class-fields-public, class]
+---*/
+
+const self = this;
+assert.throws(TypeError, function() {
+  class C {
+    #f = 'foo';
+    [self.#f] = 'Test262';
+  }
+}, 'access to a not defined private field in object should throw a TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-generator-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-generator-method-name.js
new file mode 100644
index 0000000000..d2650dbbdf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-generator-method-name.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-generator-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private generator methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    GeneratorMethod : * ClassElementName (UniqueFormalParameters) { GeneratorBody }
+      1. Let key be the result of evaluating ClassElementName.
+      ...
+      12. Return DefineOrdinaryMethod(key, homeObject, closure, enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  * #method() {};
+
+  getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..eb230b531f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-arrow-function.js
@@ -0,0 +1,43 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter is visible on inner arrow function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'Test262'; }
+
+  method() {
+    let arrowFunction = () => {
+      return this.#m;
+    }
+
+    return arrowFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private accessor from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-function.js
new file mode 100644
index 0000000000..0f5ea60b1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-access-on-inner-function.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter is visible on inner function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'Test262'; }
+
+  method() {
+    let self = this;
+    function innerFunction() {
+      return self.#m;
+    }
+
+    return innerFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private accessor from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-multiple-evaluations-of-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-multiple-evaluations-of-class.js
new file mode 100644
index 0000000000..ce8089407e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-multiple-evaluations-of-class.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Every new evaluation of a class creates a different brand (private getter)
+esid: sec-privatefieldget
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    ...
+    11. Let proto be ObjectCreate(protoParent).
+    ...
+    31. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that the P's [[Kind]] field is either "method" or "accessor",
+      a. Set F.[[PrivateBrand]] to proto.
+    ...
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+let createAndInstantiateClass = function () {
+  class C {
+    get #m() { return 'test262'; }
+
+    access(o) {
+      return o.#m;
+    }
+  }
+
+  let c = new C();
+  return c;
+};
+
+let c1 = createAndInstantiateClass();
+let c2 = createAndInstantiateClass();
+
+assert.sameValue(c1.access(c1), 'test262');
+assert.sameValue(c2.access(c2), 'test262');
+
+assert.throws(TypeError, function() {
+  c1.access(c2);
+}, 'invalid access of c1 private method');
+
+assert.throws(TypeError, function() {
+  c2.access(c1);
+}, 'invalid access of c2 private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-super-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-super-class.js
new file mode 100644
index 0000000000..e0fd805fed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check-super-class.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Subclass can access private methods of a superclass (private getter)
+esid: sec-privatefieldget
+info: |
+  SuperCall : super Arguments
+    ...
+    10. Perform ? InitializeInstanceElements(result, F).
+    ...
+
+  InitializeInstanceFieldsElements ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. If constructor.[[PrivateBrand]] is not undefined,
+      a. Perform ? PrivateBrandAdd(O, constructor.[[PrivateBrand]]).
+    4. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    5. For each item fieldRecord in order from fieldRecords,
+      a. Perform ? DefineField(O, fieldRecord).
+    6. Return.
+features: [class, class-methods-private]
+---*/
+
+class S {
+  get #m() { return 'super class'; }
+  
+  superAccess() { return this.#m; }
+}
+
+class C extends S {
+  get #m() { return 'test262'; }
+  
+  access() {
+    return this.#m;
+  }
+}
+  
+let c = new C();
+
+assert.sameValue(c.access(), 'test262');
+assert.sameValue(c.superAccess(), 'super class');
+
+let s = new S();
+assert.sameValue(s.superAccess(), 'super class');
+assert.throws(TypeError, function() {
+  c.access.call(s);
+}, 'invalid access of C private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check.js b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check.js
new file mode 100644
index 0000000000..775a26d7bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-brand-check.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateBrandCheck fails when the object O doesn't have P.[[Brand]] (private getter)
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+class C {
+  get #m() { return 'test262'; }
+  
+  access(o) {
+    return o.#m;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.access(c), 'test262');
+
+let o = {};
+assert.throws(TypeError, function() {
+  c.access(o);
+}, 'invalid access a private method');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-a-own-property.js b/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-a-own-property.js
new file mode 100644
index 0000000000..71901a7d2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-a-own-property.js
@@ -0,0 +1,47 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-is-not-a-own-property.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private getter is not stored as an own property of objects (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+        a. Let entry be PrivateFieldFind(P, O).
+        b. If entry is empty, throw a TypeError exception.
+        c. Return entry.[[PrivateFieldValue]].
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+---*/
+
+
+class C {
+  get #m() { return "Test262"; }
+
+  checkPrivateGetter() {
+    assert.sameValue(this.hasOwnProperty("#m"), false);
+    assert.sameValue("#m" in this, false);
+
+    assert.sameValue(this.__lookupGetter__("#m"), undefined);
+
+    assert.sameValue(this.#m, "Test262");
+
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateGetter(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-clobbered-by-computed-property.js b/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-clobbered-by-computed-property.js
new file mode 100644
index 0000000000..14bae94912
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-is-not-clobbered-by-computed-property.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private getter is not clobbered by computed property
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class C {
+  get #m() { return "Test262"; }
+  ["#m"] = 0;
+  
+  checkPrivateGetter() {
+    assert.sameValue(this.hasOwnProperty("#m"), true);
+    assert.sameValue("#m" in this, true);
+  
+    assert.sameValue(this["#m"], 0);
+  
+    assert.sameValue(this.#m, "Test262");
+  
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateGetter(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-on-nested-class.js
new file mode 100644
index 0000000000..bdda163475
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-on-nested-class.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter is available on inner classes (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(c), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-field-on-nested-class.js
new file mode 100644
index 0000000000..94bcb313bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-field-on-nested-class.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-shadowed-by-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter can be shadowed on inner classes by a private field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'outer class'; }
+
+  method() { return this.#m; }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    #m = 'test262';
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(innerB), 'test262');
+assert.sameValue(c.method(), 'outer class');
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'accessed inner class field from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-getter-on-nested-class.js
new file mode 100644
index 0000000000..b1d797b880
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-getter-on-nested-class.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-shadowed-by-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter can be shadowed on inner classes by a private getter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'outer class'; }
+
+  method() { return this.#m; }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    get #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(innerB), 'test262');
+assert.sameValue(c.method(), 'outer class');
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'accessed inner class getter from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-method-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-method-on-nested-class.js
new file mode 100644
index 0000000000..941ce75429
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-method-on-nested-class.js
@@ -0,0 +1,43 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-shadowed-by-method-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter can be shadowed on inner class by a private method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { throw new Test262Error(); }
+
+  B = class {
+    method(o) {
+      return o.#m();
+    }
+
+    #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(innerB), 'test262');
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'accessed inner class method from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-setter-on-nested-class.js
new file mode 100644
index 0000000000..4a042516a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-shadowed-by-setter-on-nested-class.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-getter-shadowed-by-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private getter can be shadowed on inner classes by a private setter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'outer class'; }
+
+  method() { return this.#m; }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    set #m(v) { this._v = v; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+assert.throws(TypeError, function() {
+  innerB.method(innerB);
+}, '[[Get]] operation of an accessor without getter');
+
+assert.sameValue(c.method(), 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'access of inner class accessor from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval-on-initializer.js b/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval-on-initializer.js
new file mode 100644
index 0000000000..113f29c138
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval-on-initializer.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private getter is visible on initializer with direct eval
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class C {
+  get #m() { return "Test262"; };
+  v = eval("this.#m");
+}
+
+let c = new C();
+assert.sameValue(c.v, "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval.js
new file mode 100644
index 0000000000..55a54f0d16
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-getter-visible-to-direct-eval.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private getter is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  get #m() { return "Test262"; };
+
+  getWithEval() {
+    return eval("this.#m");
+  }
+}
+
+class D {
+  get #m() { throw new Test262Error(); };
+}
+
+let c = new C();
+assert.sameValue(c.getWithEval(), "Test262");
+
+let d = new D();
+assert.throws(TypeError, function() {
+  c.getWithEval.call(d);
+}, "invalid access to a private getter");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-contains-arguments.js
new file mode 100644
index 0000000000..4b58b0b29e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-contains-arguments.js
@@ -0,0 +1,25 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-contains-arguments.case
+// - src/class-elements/initializer-indirect-eval-arguments/cls-decl-private-fields-indirect-eval.template
+/*---
+description: No error if `arguments` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, class-fields-public, class-fields-private]
+flags: [generated, noStrict]
+info: |
+    For indirect eval, the "Additional Early Error Rules for Eval Inside Initializer"
+    (in #sec-performeval-rules-in-initializer) are NOT applicable.
+
+---*/
+
+
+var arguments = 1;
+class C {
+  #x = (0, eval)('arguments;');
+  x() {
+    return this.#x;
+  }
+}
+assert.sameValue(new C().x(), arguments);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-err-contains-newtarget.js b/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-err-contains-newtarget.js
new file mode 100644
index 0000000000..a55ad8388d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-indirect-eval-err-contains-newtarget.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/eval-err-contains-newtarget.case
+// - src/class-elements/initializer-eval-newtarget/cls-decl-private-fields-indirect-eval.template
+/*---
+description: error if `new.target` in StatementList of eval (indirect eval)
+esid: sec-performeval-rules-in-initializer
+features: [class, new.target, class-fields-private]
+flags: [generated]
+info: |
+    Additional Early Error Rules for Eval Inside Initializer
+    These static semantics are applied by PerformEval when a direct eval call occurs inside a class field initializer.
+    ScriptBody : StatementList
+
+      ...
+      The remaining eval rules apply as outside a constructor, inside a method, and inside a function.
+
+    Additional Early Error Rules for Eval Outside Functions
+    These static semantics are applied by PerformEval when a direct eval call occurs outside of any function.
+    ScriptBody : StatementList
+
+      It is a Syntax Error if StatementList Contains NewTarget.
+
+---*/
+
+
+var executed = false;
+class C {
+  #x = (0, eval)('executed = true; new.target;');
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..bc1117bcfc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-name.template
+/*---
+description: Syntax error if `arguments` used in class field (ClassElementName PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..57126d4e80
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-literal-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-name.template
+/*---
+description: Syntax error if `super()` used in class field (ClassElementName PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..a0e1670cfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-arrow-function.js
@@ -0,0 +1,43 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method is visible on inner arrow function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'Test262'; }
+
+  method() {
+    let arrowFunction = () => {
+      return this.#m();
+    }
+
+    return arrowFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private method from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-function.js
new file mode 100644
index 0000000000..00d4ba02fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-access-on-inner-function.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method is visible on inner function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'Test262'; }
+
+  method() {
+    let self = this;
+    function innerFunction() {
+      return self.#m();
+    }
+
+    return innerFunction();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.method(), 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private method from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-multiple-evaluations-of-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-multiple-evaluations-of-class.js
new file mode 100644
index 0000000000..1a04a5c24f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-multiple-evaluations-of-class.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Every new evaluation of a class creates a different brand (private method)
+esid: sec-privatefieldget
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    ...
+    11. Let proto be ObjectCreate(protoParent).
+    ...
+    31. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that the P's [[Kind]] field is either "method" or "accessor",
+      a. Set F.[[PrivateBrand]] to proto.
+    ...
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+let createAndInstantiateClass = function () {
+  class C {
+    #m() { return 'test262'; }
+    
+    access(o) {
+      return o.#m();
+    }
+  }
+  
+  let c = new C();
+  return c;
+};
+
+let c1 = createAndInstantiateClass();
+let c2 = createAndInstantiateClass();
+
+assert.sameValue(c1.access(c1), 'test262');
+assert.sameValue(c2.access(c2), 'test262');
+
+assert.throws(TypeError, function() {
+  c1.access(c2);
+}, 'invalid access of c1 private method');
+
+assert.throws(TypeError, function() {
+  c2.access(c1);
+}, 'invalid access of c2 private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js
new file mode 100644
index 0000000000..76387409ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Subclass can access private methods of a superclass (private method)
+esid: sec-privatefieldget
+info: |
+  SuperCall : super Arguments
+    ...
+    10. Perform ? InitializeInstanceElements(result, F).
+    ...
+
+  InitializeInstanceFieldsElements ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. If constructor.[[PrivateBrand]] is not undefined,
+      a. Perform ? PrivateBrandAdd(O, constructor.[[PrivateBrand]]).
+    4. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    5. For each item fieldRecord in order from fieldRecords,
+      a. Perform ? DefineField(O, fieldRecord).
+    6. Return.
+features: [class, class-methods-private]
+---*/
+
+class S {
+  #method() { return 'super class'; }
+  
+  superAccess() { return this.#method(); }
+}
+
+class C extends S {
+  #method() { return 'test262'; }
+  
+  access() {
+    return this.#method();
+  }
+}
+  
+let c = new C();
+
+assert.sameValue(c.access(), 'test262');
+assert.sameValue(c.superAccess(), 'super class');
+
+let s = new S();
+assert.sameValue(s.superAccess(), 'super class');
+assert.throws(TypeError, function() {
+  c.access.call(s);
+}, 'invalid access of C private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-brand-check.js b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check.js
new file mode 100644
index 0000000000..29d0a0ddec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateBrandCheck fails when the object O doesn't have P.[[Brand]] (private method)
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+class C {
+  #m() { return 'test262'; }
+  
+  access(o) {
+    return o.#m();
+  }
+}
+
+let c = new C();
+assert.sameValue(c.access(c), 'test262');
+
+let o = {};
+assert.throws(TypeError, function() {
+  c.access(o);
+}, 'invalid access a private method');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-comparison-multiple-evaluations-of-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-comparison-multiple-evaluations-of-class.js
new file mode 100644
index 0000000000..5e63ac2f19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-comparison-multiple-evaluations-of-class.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Every new evaluation of a class creates a different brand (private getter)
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+let createAndInstantiateClass = function () {
+  class C {
+    #m() { return 'test262'; }
+    
+    getPrivateMethod() {
+      return this.#m;
+    }
+  }
+  
+  return new C();
+};
+
+let c1 = createAndInstantiateClass();
+let c2 = createAndInstantiateClass();
+
+assert.notSameValue(c1.getPrivateMethod(), c2.getPrivateMethod());
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-comparison.js b/js/src/tests/test262/language/statements/class/elements/private-method-comparison.js
new file mode 100644
index 0000000000..94b8d120bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-comparison.js
@@ -0,0 +1,47 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-comparison.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateFieldGet of a private method returns the same function object to every instance of the same class (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+        a. Let entry be PrivateFieldFind(P, O).
+        b. If entry is empty, throw a TypeError exception.
+        c. Return entry.[[PrivateFieldValue]].
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }
+    
+  getPrivateMethod() {
+      return this.#m;
+  }
+
+}
+
+let c1 = new C();
+let c2 = new C();
+
+assert.sameValue(c1.getPrivateMethod(), c2.getPrivateMethod());
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get-and-set.js b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get-and-set.js
new file mode 100644
index 0000000000..09ab4f46c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get-and-set.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to install private methods multiple times.
+esid: sec-privatemethodoraccessoradd
+info: |
+  7.3.28 PrivateMethodOrAccessorAdd ( method, O )
+    1. Assert: method.[[Kind]] is either method or accessor.
+    2. Let entry be ! PrivateElementFind(method.[[Key]], O).
+    3. If entry is not empty, throw a TypeError exception.
+    ...
+
+features: [class, class-methods-private]
+---*/
+
+class Base {
+  constructor(o) {
+    return o;
+  }
+}
+
+class C extends Base {
+  get #p() {}
+  set #p(x) {}
+}
+
+var obj = {};
+
+new C(obj);
+
+assert.throws(TypeError, function() {
+  new C(obj);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get.js b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get.js
new file mode 100644
index 0000000000..7669951721
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-get.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to install private methods multiple times.
+esid: sec-privatemethodoraccessoradd
+info: |
+  7.3.28 PrivateMethodOrAccessorAdd ( method, O )
+    1. Assert: method.[[Kind]] is either method or accessor.
+    2. Let entry be ! PrivateElementFind(method.[[Key]], O).
+    3. If entry is not empty, throw a TypeError exception.
+    ...
+
+features: [class, class-methods-private]
+---*/
+
+class Base {
+  constructor(o) {
+    return o;
+  }
+}
+
+class C extends Base {
+  get #p() {}
+}
+
+var obj = {};
+
+new C(obj);
+
+assert.throws(TypeError, function() {
+  new C(obj);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-set.js b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-set.js
new file mode 100644
index 0000000000..41a8f92878
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation-set.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to install private methods multiple times.
+esid: sec-privatemethodoraccessoradd
+info: |
+  7.3.28 PrivateMethodOrAccessorAdd ( method, O )
+    1. Assert: method.[[Kind]] is either method or accessor.
+    2. Let entry be ! PrivateElementFind(method.[[Key]], O).
+    3. If entry is not empty, throw a TypeError exception.
+    ...
+
+features: [class, class-methods-private]
+---*/
+
+class Base {
+  constructor(o) {
+    return o;
+  }
+}
+
+class C extends Base {
+  set #p(x) {}
+}
+
+var obj = {};
+
+new C(obj);
+
+assert.throws(TypeError, function() {
+  new C(obj);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation.js b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation.js
new file mode 100644
index 0000000000..cef42e6c13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-double-initialisation.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to install private methods multiple times.
+esid: sec-privatemethodoraccessoradd
+info: |
+  7.3.28 PrivateMethodOrAccessorAdd ( method, O )
+    1. Assert: method.[[Kind]] is either method or accessor.
+    2. Let entry be ! PrivateElementFind(method.[[Key]], O).
+    3. If entry is not empty, throw a TypeError exception.
+    ...
+
+features: [class, class-methods-private]
+---*/
+
+class Base {
+  constructor(o) {
+    return o;
+  }
+}
+
+class C extends Base {
+  #m() {}
+}
+
+var obj = {};
+
+new C(obj);
+
+assert.throws(TypeError, function() {
+  new C(obj);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-get-and-call.js b/js/src/tests/test262/language/statements/class/elements/private-method-get-and-call.js
new file mode 100644
index 0000000000..863eb31b80
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-get-and-call.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-get-and-call.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Function returned by a private method can be called with other values as 'this' (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+        a. Let entry be PrivateFieldFind(P, O).
+        b. If entry is empty, throw a TypeError exception.
+        c. Return entry.[[PrivateFieldValue]].
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  #m() { return this._v; }
+    
+  getPrivateMethod() {
+      return this.#m;
+  }
+
+}
+
+let c = new C();
+
+let o1 = {_v: 'test262'};
+let o2 = {_v: 'foo'}; 
+assert.sameValue(c.getPrivateMethod().call(o1), 'test262');
+assert.sameValue(c.getPrivateMethod().call(o2), 'foo');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-is-not-a-own-property.js b/js/src/tests/test262/language/statements/class/elements/private-method-is-not-a-own-property.js
new file mode 100644
index 0000000000..1998389348
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-is-not-a-own-property.js
@@ -0,0 +1,45 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-is-not-a-own-property.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private method is not stored as an own property of objects (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+        a. Let entry be PrivateFieldFind(P, O).
+        b. If entry is empty, throw a TypeError exception.
+        c. Return entry.[[PrivateFieldValue]].
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+---*/
+
+
+class C {
+  #m() { return "Test262"; }
+
+  checkPrivateMethod() {
+    assert.sameValue(this.hasOwnProperty("#m"), false);
+    assert.sameValue("#m" in this, false);
+
+    assert.sameValue(this.#m(), "Test262");
+    
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateMethod(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-is-not-clobbered-by-computed-property.js b/js/src/tests/test262/language/statements/class/elements/private-method-is-not-clobbered-by-computed-property.js
new file mode 100644
index 0000000000..381b1cd6fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-is-not-clobbered-by-computed-property.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private method is not clobbered by computed property
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class C {
+  #m() { return "Test262"; }
+  ["#m"] = 0;
+  
+  checkPrivateMethod() {
+    assert.sameValue(this.hasOwnProperty("#m"), true);
+    assert.sameValue("#m" in this, true);
+  
+    assert.sameValue(this["#m"], 0);
+  
+    assert.sameValue(this.#m(), "Test262");
+  
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateMethod(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-is-visible-in-computed-properties.js b/js/src/tests/test262/language/statements/class/elements/private-method-is-visible-in-computed-properties.js
new file mode 100644
index 0000000000..2c85c9c7a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-is-visible-in-computed-properties.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private method of a class is visible in its ComputetProperty scope
+esid: prod-ClassTail
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    ...
+    15. Set the running execution context's LexicalEnvironment to classScope.
+    16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+    ...
+    27. For each ClassElement e in order from elements
+      a. If IsStatic of e is false, then
+        i. Let field be the result of ClassElementEvaluation for e with arguments proto and false.
+    ...
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+assert.throws(TypeError, function() {
+  class C {
+    #m() {
+      throw new Test262Error();
+    }
+
+    [this.#m()] = 'Test262';
+  }
+}, 'access to a private method from ordinary object');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-length.js b/js/src/tests/test262/language/statements/class/elements/private-method-length.js
new file mode 100644
index 0000000000..8e3f61770a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-length.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-length.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private methods have length property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    MethodDefinition : ClassElementName( UniqueFormalParameters ) { FunctionBody }
+      1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+      2. ReturnIfAbrupt(methodDef).
+      3. Perform ? DefineOrdinaryMethod(methodDef.[[Key]], homeObject, methodDef.[[Closure]], _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    MethodDefinition : ClassElementName (UniqueFormalParameters) { FunctionBody }
+      ...
+      8. Let closure be FunctionCreate(kind, UniqueFormalParameters, FunctionBody, scope, privateScope, strict, prototype).
+      9. Perform MakeMethod(closure, object).
+      10. Return the Record{[[Key]]: propKey, [[Closure]]: closure}.
+
+---*/
+
+
+class C {
+  #method(a) {};
+
+  getPrivateMethod() {
+    return this.#method;
+  }
+
+}
+
+let c = new C();
+assert.sameValue(c.getPrivateMethod().length, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-not-writable.js b/js/src/tests/test262/language/statements/class/elements/private-method-not-writable.js
new file mode 100644
index 0000000000..99346ae098
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-not-writable.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to overwrite a private method.
+esid: sec-privateset
+info: |
+  7.3.30 PrivateSet ( P, O, value )
+  1. Let entry be ! PrivateElementFind(P, O).
+  2. If entry is empty, throw a TypeError exception.
+  3. If entry.[[Kind]] is field, then
+    ...
+  4. Else if entry.[[Kind]] is method, then
+    a. Throw a TypeError exception.
+  5. ...
+
+features: [class, class-methods-private]
+---*/
+
+class C {
+  #m() {}
+
+  assign() {
+    this.#m = 0;
+  }
+}
+
+var obj = new C();
+
+assert.throws(TypeError, function() {
+  obj.assign();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-on-nested-class.js
new file mode 100644
index 0000000000..c378ce2ad1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-on-nested-class.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method is available on inner classes (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }
+
+  B = class {
+    method(o) {
+      return o.#m();
+    }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(c), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-referenced-from-static-method.js b/js/src/tests/test262/language/statements/class/elements/private-method-referenced-from-static-method.js
new file mode 100644
index 0000000000..d7e68cd59a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-referenced-from-static-method.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-referenced-from-static-method.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private method referenced from a static method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+          ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  #f() { return 42; }
+  static g() {
+    return this.#f();
+  }
+
+}
+
+assert.sameValue(C.g.call(new C()), 42);
+assert.throws(TypeError, function() {
+  C.g();
+}, 'Accessed private method from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-field-on-nested-class.js
new file mode 100644
index 0000000000..4e93572bfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-field-on-nested-class.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-shadowed-by-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method can be shadowed on inner classes by a private field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'outer class'; }
+
+  method() { return this.#m(); }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    #m = 'test262';
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(innerB), 'test262');
+assert.sameValue(c.method(), 'outer class');
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'accessed inner class field from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-getter-on-nested-class.js
new file mode 100644
index 0000000000..90f322a91c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-getter-on-nested-class.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-shadowed-by-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method can be shadowed on inner classes by a private getter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'outer class'; }
+
+  method() { return this.#m(); }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    get #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(innerB), 'test262');
+assert.sameValue(c.method(), 'outer class');
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'accessed inner class getter from an object of outer class');
+assert.throws(TypeError, function() {
+  C.prototype.method.call(innerB);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-setter-on-nested-class.js
new file mode 100644
index 0000000000..80a379e3c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-by-setter-on-nested-class.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-shadowed-by-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method can be shadowed on inner classes by a private setter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'outer class'; }
+
+  method() { return this.#m(); }
+
+  B = class {
+    method(o) {
+      return o.#m;
+    }
+
+    set #m(v) { this._v = v; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+assert.throws(TypeError, function() {
+  innerB.method(innerB);
+}, '[[Get]] operation of an accessor without getter');
+
+assert.sameValue(c.method(), 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'access of inner class accessor from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-on-nested-class.js
new file mode 100644
index 0000000000..071ab0c649
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-shadowed-on-nested-class.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-shadowed-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private method can be shadowed by inner class private method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { throw new Test262Error(); }
+
+  B = class {
+    method() {
+      return this.#m();
+    }
+
+    #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+assert.sameValue(innerB.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval-on-initializer.js b/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval-on-initializer.js
new file mode 100644
index 0000000000..a67f1ead92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval-on-initializer.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private method is visible on initializer with direct eval
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class C {
+  #m() { return "Test262"; };
+  v = eval("this.#m()");
+}
+
+let c = new C();
+assert.sameValue(c.v, "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval.js
new file mode 100644
index 0000000000..d1d0a18614
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-method-visible-to-direct-eval.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private method is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  #m() { return "Test262"; };
+
+  getWithEval() {
+    return eval("this.#m()");
+  }
+}
+
+class D {
+  #m() { throw new Test262Error(); };
+}
+
+let c = new C();
+assert.sameValue(c.getWithEval(), "Test262");
+
+let d = new D();
+assert.throws(TypeError, function() {
+  c.getWithEval.call(d);
+}, "invalid access to a private method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/browser.js b/js/src/tests/test262/language/statements/class/elements/private-methods/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-generator.js b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-generator.js
new file mode 100644
index 0000000000..c703df72d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-generator.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-async-generator.case
+// - src/class-elements/private-methods/cls-decl.template
+/*---
+description: Private Async Generator (private method definitions in a class declaration)
+esid: prod-MethodDefinition
+features: [async-iteration, class, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      GeneratorMethod
+      AsyncMethod
+      AsyncGeneratorMethod 
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){GeneratorBody}
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here]* ClassElementName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    ---
+
+    InitializeClassElements ( F, proto )
+
+    ...
+    5. For each item element in order from elements,
+      a. Assert: If element.[[Placement]] is "prototype" or "static", then element.[[Key]] is not a Private Name.
+      b. If element.[[Kind]] is "method" and element.[[Placement]] is "static" or "prototype",
+        i. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        ii. Perform ? DefineClassElement(receiver, element).
+
+    InitializeInstanceElements ( O, constructor )
+
+    ...
+    3. Let elements be the value of F's [[Elements]] internal slot.
+    4. For each item element in order from elements,
+      a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+        i. Perform ? DefineClassElement(O, element).
+
+    DefineClassElement (receiver, element)
+
+    ...
+    6. If key is a Private Name,
+      a. Perform ? PrivateFieldDefine(receiver, key, descriptor).
+
+    PrivateFieldDefine (P, O, desc)
+
+    ...
+    6. Append { [[PrivateName]]: P, [[PrivateFieldDescriptor]]: desc } to O.[[PrivateFieldDescriptors]].
+
+---*/
+var ctorPromise;
+
+
+
+/*** template notes
+ * method should always be #m
+ * the template provides c.ref() for external reference
+ */
+
+function hasProp(obj, name, expected, msg) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty.call(obj, name);
+  assert.sameValue(hasOwnProperty, expected, msg);
+
+  var hasProperty = Reflect.has(obj, name);
+  assert.sameValue(hasProperty, expected, msg);
+}
+
+class C {
+  async * #m() { return 42; }
+
+
+  get ref() { return this.#m; }
+
+  constructor() {
+    hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
+    assert.sameValue(typeof this.#m, 'function');
+    assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
+
+    var ctorIter = this.#m();
+    var p = ctorIter.next();
+    ctorPromise = p.then(({ value, done }) => {
+        assert.sameValue(value, 42, 'return from generator method, inside ctor');
+        assert.sameValue(done, true, 'iterator is done, inside ctor');
+    }, $DONE);
+    assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
+
+  }
+}
+
+var c = new C();
+var other = new C();
+
+hasProp(C.prototype, '#m', false, 'method is not defined in the prototype');
+hasProp(C, '#m', false, 'method is not defined in the contructor');
+hasProp(c, '#m', false, 'method cannot be seen outside of the class');
+
+/***
+ * MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+ * 
+ * 1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+ * ...
+ */
+assert.sameValue(c.ref, other.ref, 'The method is defined once, and reused on every new instance');
+
+assert.sameValue(c.ref.name, '#m', 'function name is preserved external reference');
+ctorPromise.then(() => {
+    // gets the returned async iterator from #m
+    var iter = c.ref();
+    return iter.next().then(({ value, done }) => {
+        assert.sameValue(value, 42, 'return from generator method');
+        assert.sameValue(done, true, 'iterator is done');
+    });
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-method.js b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-method.js
new file mode 100644
index 0000000000..fa42763d30
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-async-method.js
@@ -0,0 +1,129 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-async-method.case
+// - src/class-elements/private-methods/cls-decl.template
+/*---
+description: Private Async Method (private method definitions in a class declaration)
+esid: prod-MethodDefinition
+features: [async-functions, class, class-methods-private]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      GeneratorMethod
+      AsyncMethod
+      AsyncGeneratorMethod 
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){GeneratorBody}
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here]* ClassElementName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    ---
+
+    InitializeClassElements ( F, proto )
+
+    ...
+    5. For each item element in order from elements,
+      a. Assert: If element.[[Placement]] is "prototype" or "static", then element.[[Key]] is not a Private Name.
+      b. If element.[[Kind]] is "method" and element.[[Placement]] is "static" or "prototype",
+        i. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        ii. Perform ? DefineClassElement(receiver, element).
+
+    InitializeInstanceElements ( O, constructor )
+
+    ...
+    3. Let elements be the value of F's [[Elements]] internal slot.
+    4. For each item element in order from elements,
+      a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+        i. Perform ? DefineClassElement(O, element).
+
+    DefineClassElement (receiver, element)
+
+    ...
+    6. If key is a Private Name,
+      a. Perform ? PrivateFieldDefine(receiver, key, descriptor).
+
+    PrivateFieldDefine (P, O, desc)
+
+    ...
+    6. Append { [[PrivateName]]: P, [[PrivateFieldDescriptor]]: desc } to O.[[PrivateFieldDescriptors]].
+
+---*/
+var ctorPromise;
+
+
+
+/*** template notes
+ * method should always be #m
+ * the template provides c.ref() for external reference
+ */
+
+function hasProp(obj, name, expected, msg) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty.call(obj, name);
+  assert.sameValue(hasOwnProperty, expected, msg);
+
+  var hasProperty = Reflect.has(obj, name);
+  assert.sameValue(hasProperty, expected, msg);
+}
+
+class C {
+  async #m() { return 42; }
+
+
+  get ref() { return this.#m; }
+
+  constructor() {
+    hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
+    assert.sameValue(typeof this.#m, 'function');
+    assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
+
+    assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
+    ctorPromise = this.#m().then(value => {
+        assert.sameValue(value, 42, 'already defined in the ctor');
+    }, $DONE);
+
+  }
+}
+
+var c = new C();
+var other = new C();
+
+hasProp(C.prototype, '#m', false, 'method is not defined in the prototype');
+hasProp(C, '#m', false, 'method is not defined in the contructor');
+hasProp(c, '#m', false, 'method cannot be seen outside of the class');
+
+/***
+ * MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+ * 
+ * 1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+ * ...
+ */
+assert.sameValue(c.ref, other.ref, 'The method is defined once, and reused on every new instance');
+
+assert.sameValue(c.ref.name, '#m', 'function name is preserved external reference');
+ctorPromise.then(() => {
+    // gets the returned promise from #m
+    return c.ref().then(value => {
+        assert.sameValue(value, 42, 'function return');
+    });
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-generator.js b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-generator.js
new file mode 100644
index 0000000000..4cd79a852d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-generator.js
@@ -0,0 +1,126 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-generator.case
+// - src/class-elements/private-methods/cls-decl.template
+/*---
+description: Private Generator (private method definitions in a class declaration)
+esid: prod-MethodDefinition
+features: [generators, class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      GeneratorMethod
+      AsyncMethod
+      AsyncGeneratorMethod 
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){GeneratorBody}
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here]* ClassElementName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    ---
+
+    InitializeClassElements ( F, proto )
+
+    ...
+    5. For each item element in order from elements,
+      a. Assert: If element.[[Placement]] is "prototype" or "static", then element.[[Key]] is not a Private Name.
+      b. If element.[[Kind]] is "method" and element.[[Placement]] is "static" or "prototype",
+        i. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        ii. Perform ? DefineClassElement(receiver, element).
+
+    InitializeInstanceElements ( O, constructor )
+
+    ...
+    3. Let elements be the value of F's [[Elements]] internal slot.
+    4. For each item element in order from elements,
+      a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+        i. Perform ? DefineClassElement(O, element).
+
+    DefineClassElement (receiver, element)
+
+    ...
+    6. If key is a Private Name,
+      a. Perform ? PrivateFieldDefine(receiver, key, descriptor).
+
+    PrivateFieldDefine (P, O, desc)
+
+    ...
+    6. Append { [[PrivateName]]: P, [[PrivateFieldDescriptor]]: desc } to O.[[PrivateFieldDescriptors]].
+
+---*/
+
+
+/*** template notes
+ * method should always be #m
+ * the template provides c.ref() for external reference
+ */
+
+function hasProp(obj, name, expected, msg) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty.call(obj, name);
+  assert.sameValue(hasOwnProperty, expected, msg);
+
+  var hasProperty = Reflect.has(obj, name);
+  assert.sameValue(hasProperty, expected, msg);
+}
+
+class C {
+  * #m() { return 42; }
+
+
+  get ref() { return this.#m; }
+
+  constructor() {
+    hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
+    assert.sameValue(typeof this.#m, 'function');
+    assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
+
+    var res = this.#m().next();
+    assert.sameValue(res.value, 42, 'return from generator method, inside ctor');
+    assert.sameValue(res.done, true, 'iterator is done, inside ctor');
+    assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
+
+  }
+}
+
+var c = new C();
+var other = new C();
+
+hasProp(C.prototype, '#m', false, 'method is not defined in the prototype');
+hasProp(C, '#m', false, 'method is not defined in the contructor');
+hasProp(c, '#m', false, 'method cannot be seen outside of the class');
+
+/***
+ * MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+ * 
+ * 1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+ * ...
+ */
+assert.sameValue(c.ref, other.ref, 'The method is defined once, and reused on every new instance');
+
+// gets the returned iterator from #m
+var res = c.ref().next();
+assert.sameValue(res.value, 42, 'return from generator method');
+assert.sameValue(res.done, true, 'iterator is done');
+assert.sameValue(c.ref.name, '#m', 'function name is preserved external reference');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method-initialize-order.js b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method-initialize-order.js
new file mode 100644
index 0000000000..a44bf73cd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method-initialize-order.js
@@ -0,0 +1,141 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-method-initialize-order.case
+// - src/class-elements/private-methods/cls-decl.template
+/*---
+description: Private methods are added before any field initializer is run, even if they appear textually later (private method definitions in a class declaration)
+esid: prod-MethodDefinition
+features: [class-methods-private, class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      GeneratorMethod
+      AsyncMethod
+      AsyncGeneratorMethod 
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){GeneratorBody}
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here]* ClassElementName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    ---
+
+    InitializeClassElements ( F, proto )
+
+    ...
+    5. For each item element in order from elements,
+      a. Assert: If element.[[Placement]] is "prototype" or "static", then element.[[Key]] is not a Private Name.
+      b. If element.[[Kind]] is "method" and element.[[Placement]] is "static" or "prototype",
+        i. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        ii. Perform ? DefineClassElement(receiver, element).
+
+    InitializeInstanceElements ( O, constructor )
+
+    ...
+    3. Let elements be the value of F's [[Elements]] internal slot.
+    4. For each item element in order from elements,
+      a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+        i. Perform ? DefineClassElement(O, element).
+
+    DefineClassElement (receiver, element)
+
+    ...
+    6. If key is a Private Name,
+      a. Perform ? PrivateFieldDefine(receiver, key, descriptor).
+
+    PrivateFieldDefine (P, O, desc)
+
+    ...
+    6. Append { [[PrivateName]]: P, [[PrivateFieldDescriptor]]: desc } to O.[[PrivateFieldDescriptors]].
+
+
+    InitializeInstanceElements ( O, constructor )
+      ...
+      4. For each item element in order from elements,
+        a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+          i. Perform ? DefineClassElement(O, element).
+      5. For each item element in order from elements,
+        a. If element.[[Placement]] is "own" and element.[[Kind]] is "field",
+          i. Assert: element.[[Descriptor]] does not have a [[Value]], [[Get]] or [[Set]] slot.
+          ii. Perform ? DefineClassElement(O, element).
+      6. Return.
+
+      EDITOR'S NOTE:
+      Value properties are added before initializers so that private methods are visible from all initializers.
+
+---*/
+
+
+/*** template notes
+ * method should always be #m
+ * the template provides c.ref() for external reference
+ */
+
+function hasProp(obj, name, expected, msg) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty.call(obj, name);
+  assert.sameValue(hasOwnProperty, expected, msg);
+
+  var hasProperty = Reflect.has(obj, name);
+  assert.sameValue(hasProperty, expected, msg);
+}
+
+class C {
+  a = this.#m();
+
+  #m() { return 42; }
+  get bGetter() { return this.#b; }
+
+  #b = this.#m();
+
+
+  get ref() { return this.#m; }
+
+  constructor() {
+    hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
+    assert.sameValue(typeof this.#m, 'function');
+    assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
+
+    assert.sameValue(this.a, 42);
+    assert.sameValue(this.#b, 42);
+
+  }
+}
+
+var c = new C();
+var other = new C();
+
+hasProp(C.prototype, '#m', false, 'method is not defined in the prototype');
+hasProp(C, '#m', false, 'method is not defined in the contructor');
+hasProp(c, '#m', false, 'method cannot be seen outside of the class');
+
+/***
+ * MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+ * 
+ * 1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+ * ...
+ */
+assert.sameValue(c.ref, other.ref, 'The method is defined once, and reused on every new instance');
+
+assert.sameValue(c.a, 42);
+assert.sameValue(c.bGetter, 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method.js b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method.js
new file mode 100644
index 0000000000..77c16e2a58
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/prod-private-method.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-method.case
+// - src/class-elements/private-methods/cls-decl.template
+/*---
+description: Private Method (private method definitions in a class declaration)
+esid: prod-MethodDefinition
+features: [class, class-methods-private]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      GeneratorMethod
+      AsyncMethod
+      AsyncGeneratorMethod 
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){GeneratorBody}
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here]* ClassElementName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    ---
+
+    InitializeClassElements ( F, proto )
+
+    ...
+    5. For each item element in order from elements,
+      a. Assert: If element.[[Placement]] is "prototype" or "static", then element.[[Key]] is not a Private Name.
+      b. If element.[[Kind]] is "method" and element.[[Placement]] is "static" or "prototype",
+        i. Let receiver be F if element.[[Placement]] is "static", else let receiver be proto.
+        ii. Perform ? DefineClassElement(receiver, element).
+
+    InitializeInstanceElements ( O, constructor )
+
+    ...
+    3. Let elements be the value of F's [[Elements]] internal slot.
+    4. For each item element in order from elements,
+      a. If element.[[Placement]] is "own" and element.[[Kind]] is "method",
+        i. Perform ? DefineClassElement(O, element).
+
+    DefineClassElement (receiver, element)
+
+    ...
+    6. If key is a Private Name,
+      a. Perform ? PrivateFieldDefine(receiver, key, descriptor).
+
+    PrivateFieldDefine (P, O, desc)
+
+    ...
+    6. Append { [[PrivateName]]: P, [[PrivateFieldDescriptor]]: desc } to O.[[PrivateFieldDescriptors]].
+
+---*/
+
+
+/*** template notes
+ * method should always be #m
+ * the template provides c.ref() for external reference
+ */
+
+function hasProp(obj, name, expected, msg) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty.call(obj, name);
+  assert.sameValue(hasOwnProperty, expected, msg);
+
+  var hasProperty = Reflect.has(obj, name);
+  assert.sameValue(hasProperty, expected, msg);
+}
+
+class C {
+  #m() { return 42; }
+
+
+  get ref() { return this.#m; }
+
+  constructor() {
+    hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
+    assert.sameValue(typeof this.#m, 'function');
+    assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
+
+    assert.sameValue(this.#m(), 42, 'already defined in the ctor');
+    assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
+
+  }
+}
+
+var c = new C();
+var other = new C();
+
+hasProp(C.prototype, '#m', false, 'method is not defined in the prototype');
+hasProp(C, '#m', false, 'method is not defined in the contructor');
+hasProp(c, '#m', false, 'method cannot be seen outside of the class');
+
+/***
+ * MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+ * 
+ * 1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+ * ...
+ */
+assert.sameValue(c.ref, other.ref, 'The method is defined once, and reused on every new instance');
+
+// gets the returned value from #m
+assert.sameValue(c.ref(), 42, 'function return');
+assert.sameValue(c.ref.name, '#m', 'function name is preserved external reference');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-methods/shell.js b/js/src/tests/test262/language/statements/class/elements/private-methods/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-methods/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..beaec23a66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-arrow-function.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter is visible on inner arrow function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method() {
+    let arrowFunction = () => {
+      this.#m = 'Test262';
+    }
+
+    arrowFunction();
+  }
+}
+
+let c = new C();
+c.method();
+assert.sameValue(c._v, 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private setter from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-function.js
new file mode 100644
index 0000000000..13dcd93871
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-access-on-inner-function.js
@@ -0,0 +1,45 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter is visible on inner function of class scope (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method() {
+    let self = this;
+    function innerFunction() {
+      self.#m = 'Test262';
+    }
+
+    innerFunction();
+  }
+}
+
+let c = new C();
+c.method();
+assert.sameValue(c._v, 'Test262');
+let o = {};
+assert.throws(TypeError, function() {
+  c.method.call(o);
+}, 'accessed private setter from an ordinary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-multiple-evaluations-of-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-multiple-evaluations-of-class.js
new file mode 100644
index 0000000000..d4c179fb0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-multiple-evaluations-of-class.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Every new evaluation of a class creates a different brand (private setter)
+esid: sec-privatefieldget
+info: |
+  ClassTail : ClassHeritage { ClassBody }
+    ...
+    11. Let proto be ObjectCreate(protoParent).
+    ...
+    31. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that the P's [[Kind]] field is either "method" or "accessor",
+      a. Set F.[[PrivateBrand]] to proto.
+    ...
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+let createAndInstantiateClass = function () {
+  class C {
+    set #m(v) { this._v = v; }
+    
+    access(o, v) {
+      o.#m = v;
+    }
+  }
+  
+  let c = new C();
+  return c;
+};
+
+let c1 = createAndInstantiateClass();
+let c2 = createAndInstantiateClass();
+
+c1.access(c1, 'test262');
+assert.sameValue(c1._v, 'test262');
+c2.access(c2, 'test262');
+assert.sameValue(c2._v, 'test262');
+
+assert.throws(TypeError, function() {
+  c1.access(c2, 'foo');
+}, 'invalid access of c1 private method');
+
+assert.throws(TypeError, function() {
+  c2.access(c1, 'foo');
+}, 'invalid access of c2 private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-super-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-super-class.js
new file mode 100644
index 0000000000..87963f8f92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check-super-class.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Subclass can access private methods of a superclass (private setter)
+esid: sec-privatefieldget
+info: |
+  SuperCall : super Arguments
+    ...
+    10. Perform ? InitializeInstanceElements(result, F).
+    ...
+
+  InitializeInstanceFieldsElements ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. If constructor.[[PrivateBrand]] is not undefined,
+      a. Perform ? PrivateBrandAdd(O, constructor.[[PrivateBrand]]).
+    4. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    5. For each item fieldRecord in order from fieldRecords,
+      a. Perform ? DefineField(O, fieldRecord).
+    6. Return.
+features: [class, class-methods-private]
+---*/
+
+class S {
+  set #m(v) { this._v = v }
+  
+  superAccess(v) { this.#m = v; }
+}
+
+class C extends S {
+  set #m(v) { this._u = v; }
+  
+  access(v) {
+    return this.#m = v;
+  }
+}
+  
+let c = new C();
+
+c.access('test262');
+assert.sameValue(c._u, 'test262');
+
+c.superAccess('super class');
+assert.sameValue(c._v, 'super class');
+
+let s = new S();
+s.superAccess('super class')
+assert.sameValue(s._v, 'super class');
+
+assert.throws(TypeError, function() {
+  c.access.call(s, 'foo');
+}, 'invalid access of C private method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js
new file mode 100644
index 0000000000..ba3e5ca66d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateBrandCheck fails when the object O doesn't have P.[[Brand]] (private setter)
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+class C {
+  set #m(v) { this._v = v; }
+  
+  access(o, v) {
+    return o.#m = v;
+  }
+}
+
+let c = new C();
+c.access(c, 'test262');
+assert.sameValue(c._v, 'test262');
+
+let o = {};
+assert.throws(TypeError, function() {
+  c.access(o, 'foo');
+}, 'invalid access a private setter');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-a-own-property.js b/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-a-own-property.js
new file mode 100644
index 0000000000..8deba4fe5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-a-own-property.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-is-not-a-own-property.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private setter is not stored as an own property of objects (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+        a. Let entry be PrivateFieldFind(P, O).
+        b. If entry is empty, throw a TypeError exception.
+        c. Return entry.[[PrivateFieldValue]].
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  checkPrivateSetter() {
+    assert.sameValue(this.hasOwnProperty("#m"), false);
+    assert.sameValue("#m" in this, false);
+
+    assert.sameValue(this.__lookupSetter__("#m"), undefined);
+
+    this.#m = "Test262";
+    assert.sameValue(this._v, "Test262");
+
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateSetter(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-clobbered-by-computed-property.js b/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-clobbered-by-computed-property.js
new file mode 100644
index 0000000000..50943ffbcb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-is-not-clobbered-by-computed-property.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private setter is not clobbered by computed property
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class C {
+  set #m(v) { this._v = v; }
+  ["#m"] = 0;
+  
+  checkPrivateSetter() {
+    assert.sameValue(this.hasOwnProperty("#m"), true);
+    assert.sameValue("#m" in this, true);
+  
+    assert.sameValue(this["#m"], 0);
+  
+    this.#m = "Test262";
+    assert.sameValue(this._v, "Test262");
+  
+    return 0;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.checkPrivateSetter(), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-on-nested-class.js
new file mode 100644
index 0000000000..c320048fc6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-on-nested-class.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter is available on inner classes (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  B = class {
+    method(o, v) {
+      o.#m = v;
+    }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+innerB.method(c, 'test262');
+assert.sameValue(c._v, 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-field-on-nested-class.js
new file mode 100644
index 0000000000..ac88ecdd4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-field-on-nested-class.js
@@ -0,0 +1,53 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-shadowed-by-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter can be shadowed on inner classes by a private field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method(v) { this.#m = v; }
+
+  B = class {
+    method(o, v) {
+      o.#m = v;
+    }
+
+    get m() { return this.#m; }
+
+    #m;
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+innerB.method(innerB, 'test262');
+assert.sameValue(innerB.m, 'test262');
+
+c.method('outer class');
+assert.sameValue(c._v, 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c, 'foo');
+}, 'accessed inner class field from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-getter-on-nested-class.js
new file mode 100644
index 0000000000..b3cfc60c75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-getter-on-nested-class.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-shadowed-by-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter can be shadowed on inner classes by a private getter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method(v) { this.#m = v; }
+
+  B = class {
+    method(o, v) {
+      o.#m = v;
+    }
+
+    get #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+assert.throws(TypeError, function() {
+  innerB.method(innerB);
+}, 'invalid [[Set]] of an acessor without setter');
+
+c.method('outer class');
+assert.sameValue(c._v, 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'invalid access of inner class getter from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-method-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-method-on-nested-class.js
new file mode 100644
index 0000000000..89d45ebf96
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-method-on-nested-class.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-shadowed-by-method-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter can be shadowed on inner class by a private method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method(v) { this.#m = v; }
+
+  B = class {
+    method(o, v) {
+      o.#m = v;
+    }
+
+    #m() { return 'test262'; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+assert.throws(TypeError, function() {
+  innerB.method(innerB, 'foo');
+}, 'invalid [[Set]] operation in a private method');
+
+c.method('outer class');
+assert.sameValue(c._v, 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c);
+}, 'invalid access of inner class method from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-setter-on-nested-class.js
new file mode 100644
index 0000000000..45c1e77b82
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-shadowed-by-setter-on-nested-class.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-setter-shadowed-by-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private setter can be shadowed on inner classes by a private setter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  set #m(v) { this._v = v; }
+
+  method(v) { this.#m = v; }
+
+  B = class {
+    method(o, v) {
+      o.#m = v;
+    }
+
+    set #m(v) { this._v = v; }
+  }
+}
+
+let c = new C();
+let innerB = new c.B();
+
+innerB.method(innerB, 'test262');
+assert.sameValue(innerB._v, 'test262');
+
+c.method('outer class');
+assert.sameValue(c._v, 'outer class');
+
+assert.throws(TypeError, function() {
+  innerB.method(c, 'foo');
+}, 'access of inner class accessor from an object of outer class');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval-on-initializer.js b/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval-on-initializer.js
new file mode 100644
index 0000000000..76eaad950f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval-on-initializer.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private setter is visible on initializer with direct eval
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-fields-public, class-methods-private, class]
+---*/
+
+class C {
+  set #m(v) { this._v = v; };
+  v = (eval("this.#m = 53"), this._v);
+}
+
+let c = new C();
+assert.sameValue(c.v, 53);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval.js
new file mode 100644
index 0000000000..5a0a24d0e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-visible-to-direct-eval.js
@@ -0,0 +1,63 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private setter is visible to direct eval code
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  set #m(v) { this._v = v; };
+
+  setWithEval(v) {
+    eval("this.#m = v");
+  }
+}
+
+class D {
+  set #m(v) { throw new Test262Error(); };
+}
+
+let c = new C();
+c.setWithEval("Test262");
+assert.sameValue(c._v, "Test262");
+
+let d = new D();
+assert.throws(TypeError, function() {
+  c.setWithEval.call(d);
+}, "invalid access to a private setter");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-async-generator-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-static-async-generator-method-name.js
new file mode 100644
index 0000000000..3e5e056e36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-async-generator-method-name.js
@@ -0,0 +1,62 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-async-generator-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private static async generator methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    AsyncMethod : async [no LineTerminator here] * ClassElementName (UniqueFormalParameters) { AsyncFunctionBody }
+      ...
+      12. Perform ? DefineOrdinaryMethod(key, homeObject, closure, _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  static async * #method() {};
+
+  static getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+assert.sameValue(C.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-async-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-static-async-method-name.js
new file mode 100644
index 0000000000..de5464c427
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-async-method-name.js
@@ -0,0 +1,62 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-async-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private static async methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    AsyncMethod : async [no LineTerminator here] ClassElementName (UniqueFormalParameters) { AsyncFunctionBody }
+      ...
+      10. Perform ? DefineOrdinaryMethod(key, homeObject, closure, _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  static async #method() {};
+
+  static getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+assert.sameValue(C.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-field-on-nested-class.js
new file mode 100644
index 0000000000..fe7060c92e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-field-on-nested-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-field-shadowed-by-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static field can be shadowed on inner classes by a private field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class-fields-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m = 'outer class';
+
+  static fieldAccess() {
+    return this.#m;
+  }
+
+  static B = class {
+    #m = 'inner class';
+    static fieldAccess(o) {
+      return o.#m;
+    }
+  }
+}
+
+assert.sameValue(C.fieldAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.fieldAccess(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.fieldAccess(C);
+}, 'accessed private field from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-getter-on-nested-class.js
new file mode 100644
index 0000000000..7e62f99a8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-getter-on-nested-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-field-shadowed-by-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static field can be shadowed on inner classes by a private getter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m = 'outer class';
+
+  static fieldAccess() {
+    return this.#m;
+  }
+
+  static B = class {
+    get #m() { return 'inner class'; }
+
+    static access(o) {
+      return o.#m;
+    }
+  }
+}
+
+assert.sameValue(C.fieldAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.access(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private getter from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-method-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-method-on-nested-class.js
new file mode 100644
index 0000000000..a78214d76e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-method-on-nested-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-field-shadowed-by-method-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static field can be shadowed on inner classes by a private method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m = () => 'outer class';
+
+  static fieldAccess() {
+    return this.#m();
+  }
+
+  static B = class {
+    #m() { return 'inner class'; }
+
+    static access(o) {
+      return o.#m();
+    }
+  }
+}
+
+assert.sameValue(C.fieldAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.access(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private method from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-setter-on-nested-class.js
new file mode 100644
index 0000000000..f72c5b519e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-shadowed-by-setter-on-nested-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-field-shadowed-by-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static field can be shadowed on inner classes by a private setter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m = 'outer class';
+
+  static fieldAccess() {
+    return this.#m;
+  }
+
+  static B = class {
+    set #m(v) { this._v = v; }
+
+    static access(o) {
+      o.#m = 'inner class';
+    }
+  }
+}
+
+assert.sameValue(C.fieldAccess(), 'outer class');
+
+let b = new C.B();
+
+C.B.access(b);
+assert.sameValue(b._v, 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private setter from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-usage-inside-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-usage-inside-nested-class.js
new file mode 100644
index 0000000000..181a88af67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-usage-inside-nested-class.js
@@ -0,0 +1,81 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-field-usage-inside-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static field is available inside inner classes (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m = 'outer class';
+
+  static B = class {
+    static fieldAccess(o) {
+      return o.#m;
+    }
+  }
+}
+
+assert.sameValue(C.B.fieldAccess(C), 'outer class');
+assert.throws(TypeError, function() {
+  C.B.methodAccess(C.B);
+}, 'accessed static private field from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-field-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-static-field-visible-to-direct-eval.js
new file mode 100644
index 0000000000..68a0debf28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-field-visible-to-direct-eval.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private static field is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-static-fields-private, class]
+---*/
+
+class C {
+  static #m = 44;
+
+  static getWithEval() {
+    return eval("this.#m");
+  }
+}
+
+class D {
+  static #m = 44;
+}
+
+assert.sameValue(C.getWithEval(), 44);
+
+assert.throws(TypeError, function() {
+  C.getWithEval.call(D);
+}, "invalid access to a private field");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-generator-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-static-generator-method-name.js
new file mode 100644
index 0000000000..8fd8d86c02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-generator-method-name.js
@@ -0,0 +1,62 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-generator-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private static generator methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    GeneratorMethod : * ClassElementName (UniqueFormalParameters) { GeneratorBody }
+      ...
+      12. Perform ? DefineOrdinaryMethod(key, homeObject, closure, _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  static * #method() {};
+
+  static getPrivateMethod() {
+    return this.#method;
+  }
+}
+
+assert.sameValue(C.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-getter-abrupt-completition.js b/js/src/tests/test262/language/statements/class/elements/private-static-getter-abrupt-completition.js
new file mode 100644
index 0000000000..fc0b9f42dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-getter-abrupt-completition.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateFieldGet should return an abrupt completion
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+features: [class-methods-private, class]
+---*/
+
+class C {
+  get #m() {
+    throw new Test262Error();
+  }
+
+  access() {
+    this.#m;
+  }
+}
+
+let c = new C();
+assert.throws(Test262Error, function() {
+  c.access();
+}, 'private getter should have abrupt completion');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-getter-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-static-getter-visible-to-direct-eval.js
new file mode 100644
index 0000000000..180d624623
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-getter-visible-to-direct-eval.js
@@ -0,0 +1,63 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private static getter is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-static-methods-private, class]
+---*/
+
+class C {
+  static get #m() {
+    return 'Test262';
+  }
+
+  static getWithEval() {
+    return eval('this.#m');
+  }
+}
+
+class D {
+  static get #m() {
+    throw new Test262Error('should never be executed');
+  }
+}
+
+assert.sameValue(C.getWithEval(), 'Test262');
+
+assert.throws(TypeError, function() {
+  C.getWithEval.call(D);
+}, 'invalid access to a static private getter');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-length.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-length.js
new file mode 100644
index 0000000000..b18f48e6ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-length.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-length.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private static methods have length property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    MethodDefinition : ClassElementName( UniqueFormalParameters ) { FunctionBody }
+      1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+      2. ReturnIfAbrupt(methodDef).
+      3. Perform ? DefineOrdinaryMethod(methodDef.[[Key]], homeObject, methodDef.[[Closure]], _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    MethodDefinition : ClassElementName (UniqueFormalParameters) { FunctionBody }
+      ...
+      8. Let closure be FunctionCreate(kind, UniqueFormalParameters, FunctionBody, scope, privateScope, strict, prototype).
+      9. Perform MakeMethod(closure, object).
+      10. Return the Record{[[Key]]: propKey, [[Closure]]: closure}.
+
+---*/
+
+
+class C {
+  static #method(a, b, c) {};
+
+  static getPrivateMethod() {
+    return this.#method;
+  }
+
+}
+
+assert.sameValue(C.getPrivateMethod().length, 3);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-name.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-name.js
new file mode 100644
index 0000000000..cafb88ff0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-name.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private static methods have name property properly configured (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement : MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments ! Get(homeObject, "prototype"),enumerable, and "prototype".
+
+    ClassElement : static MethodDefinition
+      1. Return ClassElementEvaluation of MethodDefinition with arguments homeObject, enumerable and "static".
+
+    MethodDefinition : ClassElementName( UniqueFormalParameters ) { FunctionBody }
+      1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+      2. ReturnIfAbrupt(methodDef).
+      3. Perform ? DefineOrdinaryMethod(methodDef.[[Key]], homeObject, methodDef.[[Closure]], _enumerable).
+
+    ClassElement : MethodDefinition
+    ClassElement : static MethodDefinition
+      1. Perform ? PropertyDefinitionEvaluation with parameters object and enumerable.
+      2. Return empty.
+
+    MethodDefinition : ClassElementName (UniqueFormalParameters) { FunctionBody }
+      1. Let propKey be the result of evaluating ClassElementName.
+      ...
+      8. Let closure be FunctionCreate(kind, UniqueFormalParameters, FunctionBody, scope, privateScope, strict, prototype).
+      9. Perform MakeMethod(closure, object).
+      10. Return the Record{[[Key]]: propKey, [[Closure]]: closure}.
+
+    ClassElementName : PrivateIdentifier
+      1. Let bindingName be StringValue of PrivateIdentifier.
+      ...
+      5. If scopeEnvRec's binding for bindingName is uninitialized,
+        a. Let field be NewPrivateName(bindingName).
+        b. Perform ! scopeEnvRec.InitializeBinding(bindingName, field).
+      6. Otherwise,
+        a. Let field be scopeEnvRec.GetBindingValue(bindingName).
+      7. Assert: field.[[Description]] is bindingName.
+      8. Return field.
+
+    DefineOrdinaryMethod(key, homeObject, closure, enumerable)
+      1. Perform SetFunctionName(closure, key).
+      2. If key is a Private Name,
+        a. Assert: key does not have a [[Kind]] field.
+        b. Set key.[[Kind]] to "method".
+        c. Set key.[[Value]] to closure.
+        d. Set key.[[Brand]] to homeObject.
+      3. Else,
+        a. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+        b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+
+---*/
+
+
+class C {
+  static #method() {
+    return 'Test262';
+  };
+
+  static getPrivateMethod() {
+    return this.#method;
+  }
+
+}
+
+assert.sameValue(C.getPrivateMethod().name, "#method");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-not-writable.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-not-writable.js
new file mode 100644
index 0000000000..ce0d1f9cd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-not-writable.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Throws TypeError when attempting to overwrite a private static method.
+esid: sec-privateset
+info: |
+  7.3.30 PrivateSet ( P, O, value )
+  1. Let entry be ! PrivateElementFind(P, O).
+  2. If entry is empty, throw a TypeError exception.
+  3. If entry.[[Kind]] is field, then
+    ...
+  4. Else if entry.[[Kind]] is method, then
+    a. Throw a TypeError exception.
+  5. ...
+
+features: [class, class-static-methods-private]
+---*/
+
+class C {
+  static #m() {}
+
+  static assign() {
+    this.#m = 0;
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.assign();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-field-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-field-on-nested-class.js
new file mode 100644
index 0000000000..53efd583e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-field-on-nested-class.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-shadowed-by-field-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static method can be shadowed on inner classes by a private field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class-fields-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m() { return 'outer class'; }
+
+  static methodAccess() {
+    return this.#m();
+  }
+
+  static B = class {
+    #m = 'inner class';
+    static fieldAccess(o) {
+      return o.#m;
+    }
+  }
+}
+
+assert.sameValue(C.methodAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.fieldAccess(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.fieldAccess(C);
+}, 'accessed private field from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-getter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-getter-on-nested-class.js
new file mode 100644
index 0000000000..f7ad4de011
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-getter-on-nested-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-shadowed-by-getter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static method can be shadowed on inner classes by a private getter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m() { return 'outer class'; }
+
+  static methodAccess() {
+    return this.#m();
+  }
+
+  static B = class {
+    get #m() { return 'inner class'; }
+
+    static access(o) {
+      return o.#m;
+    }
+  }
+}
+
+assert.sameValue(C.methodAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.access(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private getter from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-method-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-method-on-nested-class.js
new file mode 100644
index 0000000000..6f48d6514e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-method-on-nested-class.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-shadowed-by-method-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static method can be shadowed on inner classes by a private method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m() { return 'outer class'; }
+
+  static methodAccess() {
+    return this.#m();
+  }
+
+  static B = class {
+    #m() { return 'inner class'; }
+
+    static access(o) {
+      return o.#m();
+    }
+  }
+}
+
+assert.sameValue(C.methodAccess(), 'outer class');
+
+let b = new C.B();
+
+assert.sameValue(C.B.access(b), 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private method from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-setter-on-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-setter-on-nested-class.js
new file mode 100644
index 0000000000..47497485d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-shadowed-by-setter-on-nested-class.js
@@ -0,0 +1,93 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-shadowed-by-setter-on-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static method can be shadowed on inner classes by a private setter (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class-methods-private, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m() { return 'outer class'; }
+
+  static methodAccess() {
+    return this.#m();
+  }
+
+  static B = class {
+    set #m(v) { this._v = v; }
+
+    static access(o) {
+      o.#m = 'inner class';
+    }
+  }
+}
+
+assert.sameValue(C.methodAccess(), 'outer class');
+
+let b = new C.B();
+
+C.B.access(b);
+assert.sameValue(b._v, 'inner class');
+
+assert.throws(TypeError, function() {
+  C.B.access(C);
+}, 'accessed private setter from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-usage-inside-nested-class.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-usage-inside-nested-class.js
new file mode 100644
index 0000000000..3bbf3d5462
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-usage-inside-nested-class.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-static-method-usage-inside-nested-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName of private static method is available inside inner classes (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateIdentifier
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+      7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+      ...
+      15. Set the running execution context's LexicalEnvironment to classScope.
+      16. Set the running execution context's PrivateEnvironment to classPrivateEnvironment.
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+      FieldDefinition : ClassElementName Initializer_opt
+        1. Let name be the result of evaluating ClassElementName.
+        2. ReturnIfAbrupt(name).
+        3. If Initializer_opt is present,
+          a. Let lex be the Lexical Environment of the running execution context.
+          b. Let formalParameterList be an instance of the production FormalParameters : [empty].
+          c. Let privateScope be the PrivateEnvironment of the running execution context.
+          d. Let initializer be FunctionCreate(Method, formalParameterList, Initializer, lex, true, privateScope).
+          e. Perform MakeMethod(initializer, homeObject).
+          f. Let isAnonymousFunctionDefinition be IsAnonymousFunctionDefinition(Initializer).
+        4. Else,
+          a. Let initializer be empty.
+          b. Let isAnonymousFunctionDeclaration be false.
+        5. Return a Record { [[Name]]: name, [[Initializer]]: initializer, [[IsAnonymousFunctionDefinition]]: isAnonymousFunctionDefinition }.
+
+    MemberExpression : MemberExpression.PrivateIdentifier
+      1. Let baseReference be the result of evaluating MemberExpression.
+      2. Let baseValue be ? GetValue(baseReference).
+      3. Let bv be ? RequireObjectCoercible(baseValue).
+      4. Let fieldNameString be the StringValue of PrivateIdentifier.
+      5. Return MakePrivateReference(bv, fieldNameString).
+
+    MakePrivateReference(baseValue, privateIdentifier)
+      1. Let env be the running execution context's PrivateEnvironment.
+      2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+      3. Let privateName be GetValue(privateNameBinding).
+      4. Assert: privateName is a Private Name.
+      5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+
+---*/
+
+
+class C {
+  static #m() {
+    return 'outer class';
+  }
+
+  static B = class {
+    static methodAccess(o) {
+      return o.#m();
+    }
+  }
+}
+
+assert.sameValue(C.B.methodAccess(C), 'outer class');
+assert.throws(TypeError, function() {
+  C.B.methodAccess(C.B);
+}, 'accessed static private method from an arbritary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-method-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-static-method-visible-to-direct-eval.js
new file mode 100644
index 0000000000..01d010c80f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-method-visible-to-direct-eval.js
@@ -0,0 +1,63 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private static method is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-static-methods-private, class]
+---*/
+
+class C {
+  static #m() {
+    return "Test262";
+  }
+
+  static accessWithEval() {
+    return eval("this.#m()");
+  }
+}
+
+class D {
+  static #m() {
+    throw new Test262Error();
+  }
+}
+
+assert.sameValue(C.accessWithEval(), "Test262");
+
+assert.throws(TypeError, function() {
+  C.accessWithEval.call(D);
+}, "invalid access to a private field");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-setter-abrupt-completition.js b/js/src/tests/test262/language/statements/class/elements/private-static-setter-abrupt-completition.js
new file mode 100644
index 0000000000..14afc2640f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-setter-abrupt-completition.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateFieldSet should return an abrupt completion
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet (P, O, value)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  set #m(_) {
+    throw new Test262Error();
+  }
+
+  access() {
+    this.#m = 'Test262';
+  }
+}
+
+let c = new C();
+assert.throws(Test262Error, function() {
+  c.access();
+}, 'private setter should have abrupt completion');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-static-setter-visible-to-direct-eval.js b/js/src/tests/test262/language/statements/class/elements/private-static-setter-visible-to-direct-eval.js
new file mode 100644
index 0000000000..e4205b729d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-static-setter-visible-to-direct-eval.js
@@ -0,0 +1,64 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private static setter is visible to direct eval code
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  ClassElementName : PrivateIdentifier
+    1. Let privateIdentifier be StringValue of PrivateIdentifier.
+    2. Let privateName be NewPrivateName(privateIdentifier).
+    3. Let scope be the running execution context's PrivateEnvironment.
+    4. Let scopeEnvRec be scope's EnvironmentRecord.
+    5. Perform ! scopeEnvRec.InitializeBinding(privateIdentifier, privateName).
+    6. Return privateName.
+
+  MakePrivateReference ( baseValue, privateIdentifier )
+    1. Let env be the running execution context's PrivateEnvironment.
+    2. Let privateNameBinding be ? ResolveBinding(privateIdentifier, env).
+    3. Let privateName be GetValue(privateNameBinding).
+    4. Assert: privateName is a Private Name.
+    5. Return a value of type Reference whose base value is baseValue, whose referenced name is privateName, whose strict reference flag is true.
+features: [class-static-methods-private, class]
+---*/
+
+class C {
+  static set #m(v) {
+    this._v = v;
+  }
+
+  static setWithEval() {
+    eval('this.#m = "Test262"');
+  }
+}
+
+class D {
+  static set #m(v) {
+    throw new Test262Error('should never be called');
+  }
+}
+
+C.setWithEval();
+assert.sameValue(C._v, 'Test262');
+
+assert.throws(TypeError, function() {
+  C.getWithEval.call(D);
+}, 'invalid access to a static private getter');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-arguments.js
new file mode 100644
index 0000000000..3d409fceb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-ternary.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = false ? {} : arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-super.js
new file mode 100644
index 0000000000..4f82a572ae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-ternary-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-ternary.template
+/*---
+description: Syntax error if `super()` used in class field (private field, ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = false ? {} : super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-arguments.js
new file mode 100644
index 0000000000..b2a0a1fe0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-typeof.template
+/*---
+description: Syntax error if `arguments` used in class field (private field, typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = typeof arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-super.js
new file mode 100644
index 0000000000..d3ab2de187
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-typeof-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-private-typeof.template
+/*---
+description: Syntax error if `super()` used in class field (private field, typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = typeof super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefield-on-proxy.js b/js/src/tests/test262/language/statements/class/elements/privatefield-on-proxy.js
new file mode 100644
index 0000000000..0fa28efac7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefield-on-proxy.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Sucessyfully get private reference without using [[Get]]
+esid: sec-getvalue
+info: |
+  GetValue(V)
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+      c. Return ? base.[[Get]](GetReferencedName(V), GetThisValue(V)).
+  PrivateFieldGet(P, O)
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+includes: [compareArray.js]
+features: [class, class-fields-private, Proxy]
+---*/
+
+let arr = [];
+
+class ProxyBase {
+  constructor() {
+    return new Proxy(this, {
+      get: function (obj, prop) {
+        arr.push(prop);
+        return obj[prop];
+      }
+    });
+  }
+}
+
+class Test extends ProxyBase {
+  #f = 3;
+  method() {
+    return this.#f;
+  }
+}
+
+let t = new Test();
+let r = t.method();
+assert.sameValue(r, 3);
+
+assert.compareArray(arr, ['method']);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldadd-typeerror.js b/js/src/tests/test262/language/statements/class/elements/privatefieldadd-typeerror.js
new file mode 100644
index 0000000000..6bd7feb092
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldadd-typeerror.js
@@ -0,0 +1,63 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class construction should error if attempting to add private field twice
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+info: |
+  [[Construct]] ( argumentsList, newTarget)
+    ...
+    8. If kind is "base", then
+      a. Perform OrdinaryCallBindThis(F, calleeContext, thisArgument).
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+      c. If result is an abrupt completion, then
+        i. Remove calleeContext from execution context stack and restore callerContext as the running execution context.
+        ii. Return Completion(result).
+
+  InitializeInstanceFields ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. Perform ? DefineField(O, fieldRecord).
+    5. Return.
+
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+
+  PrivateFieldAdd (P, O, value)
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is not empty, throw a TypeError exception.
+    ...
+
+features: [class, class-fields-private]
+---*/
+
+
+class A {
+  constructor(arg) {
+    return arg;
+  }
+}
+
+class C extends A {
+  #x;
+
+  constructor(arg) {
+    super(arg);
+  }
+}
+
+var containsprivatex = new C();
+
+assert.throws(TypeError, function() {
+  // After the super call in C's constructor, the `this` value in C will
+  // already have "#x" in it's [[PrivateFieldValues]]
+  new C(containsprivatex);
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-primitive-receiver.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-primitive-receiver.js
new file mode 100644
index 0000000000..2b56307e8c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-primitive-receiver.js
@@ -0,0 +1,78 @@
+// Copyright (C) 2020 Caio Lima (Igalia S.L). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateField calls ToObject when receiver is a primitive
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      a. If HasPrimitiveBase(V), then
+        i. Assert: In this case, base will never be null or undefined.
+        ii. Let base be ToObject(base).
+      b. If IsPrivateReference(V), then
+        i. Return ? PrivateFieldGet(field, base).
+    ...
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private, BigInt]
+---*/
+
+let count = 0;
+
+class C {
+  #p = 1;
+
+  method() {
+    count++;
+    try {
+      count++;
+      this.#p;
+    } catch (e) {
+      count++;
+      if (e instanceof TypeError) {
+        throw new Test262Error();
+      }
+    }
+  }
+}
+
+assert.throws(Test262Error, () => {
+  new C().method.call(15);
+});
+assert.sameValue(count, 3);
+
+assert.throws(Test262Error, () => {
+  new C().method.call('Test262');
+});
+assert.sameValue(count, 6);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(Symbol('Test262'));
+});
+assert.sameValue(count, 9);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(15n);
+});
+assert.sameValue(count, 12);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(null);
+});
+assert.sameValue(count, 15);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(undefined);
+});
+assert.sameValue(count, 18);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-1.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-1.js
new file mode 100644
index 0000000000..c53b93740c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-1.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private field
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+    var self = this;
+
+    return class extends Outer {
+      f() {
+        return self.#x;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+var value = i.f();
+
+assert.sameValue(value, 42)
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-2.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-2.js
new file mode 100644
index 0000000000..e839d3594e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-2.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private field
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private]
+---*/
+
+
+class A {
+  #x = 'Avalue';
+  x() {
+    return this.#x;
+  }
+}
+class B extends A {
+  #x = 'Bvalue';
+  x() {
+    return this.#x;
+  }
+}
+
+var b = new B();
+
+assert.sameValue(b.x(), 'Bvalue')
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-3.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-3.js
new file mode 100644
index 0000000000..73bcffa0cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-3.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private field
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private]
+---*/
+
+
+class A {
+  #x = 'Avalue';
+  x() {
+    return this.#x;
+  }
+}
+class B extends A {
+  #x = 'Bvalue';
+}
+
+var b = new B();
+
+assert.sameValue(b.x(), 'Avalue')
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-4.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-4.js
new file mode 100644
index 0000000000..9ba095942e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-4.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private field
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private]
+---*/
+
+
+class A {
+  #x = 'Avalue';
+  x() {
+    return this.#x;
+  }
+}
+class B extends A {
+}
+
+var b = new B();
+
+assert.sameValue(b.x(), 'Avalue')
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-5.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-5.js
new file mode 100644
index 0000000000..3863cefd40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-success-5.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private field
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Return entry.[[PrivateFieldValue]].
+
+features: [class, class-fields-private]
+---*/
+
+
+class C {
+  #x = 42;
+  f() {
+    return this.#x;
+  }
+}
+
+var c1 = new C();
+var c2 = new C();
+var value = c2.f.call(c1);
+
+assert.sameValue(value, 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-1.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-1.js
new file mode 100644
index 0000000000..69f6e48525
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-1.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Cannot access private field before the entry was added to [[PrivateFieldValues]]
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private, class-fields-public]
+---*/
+
+class C {
+  y = this.#x;
+  #x;
+}
+
+assert.throws(TypeError, function() { new C(); })
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-2.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-2.js
new file mode 100644
index 0000000000..1a36416cfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-2.js
@@ -0,0 +1,57 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when referenced private field cannot be found in `this`'s [[PrivateFieldValues]]
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+
+    // create class within in Outerclass -- the PrivateNameEnvironment binding for
+    // private field `#x` is resolvable.
+    return class {
+      f() {
+        return this.#x;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+
+assert.throws(TypeError, function() {
+  // when f() is called, the private field will not be found in Inner's `this`
+  i.f();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-3.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-3.js
new file mode 100644
index 0000000000..979a4c263a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-3.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Referenced lexically scoped private field found in `this`'s [[PrivateFieldValues]]
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+
+    // create class within in Outerclass -- the PrivateNameEnvironment binding for
+    // private field `#x` is resolvable.
+    return class extends Outer {
+      f() {
+        return this.#x;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+
+assert.sameValue(i.f(), 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-4.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-4.js
new file mode 100644
index 0000000000..878296ac4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-4.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when referenced private field cannot be found in `this`'s [[PrivateFieldValues]]
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+function classfactory() {
+  return class {
+    #x;
+    f() {
+      this.#x;
+    }
+  }
+}
+
+var C1 = classfactory();
+var C2 = classfactory();
+
+var c1 = new C1();
+var c2 = new C2();
+
+assert.throws(TypeError, function() {
+  // when f() is called in class C1, the Private Name binding for #x in C1 will
+  // not found in C2's [[PrivateNameValues]]
+  c1.f.call(c2);
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-5.js b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-5.js
new file mode 100644
index 0000000000..11eb32250d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldget-typeerror-5.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when referenced private field cannot be found in `this`'s [[PrivateFieldValues]]
+esid: sec-getvalue
+info: |
+  GetValue ( V )
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+
+  PrivateFieldGet (P, O )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+    var self = this;
+
+    return class extends Outer {
+      #x = 'not42';
+      f() {
+        return self.#x;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+
+assert.throws(TypeError, function() {
+  // when f() is called, the entry in the PrivateNameEnironment's environment
+  // record for '#x' will contain the Inner class's Private Name for '#x'.
+  // When this Private Name is used for lookup on the `self` object, it
+  // will not be found (as the `self` object has the Outer's Private Name for #x)
+  i.f();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldput-primitive-receiver.js b/js/src/tests/test262/language/statements/class/elements/privatefieldput-primitive-receiver.js
new file mode 100644
index 0000000000..13f25a19b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldput-primitive-receiver.js
@@ -0,0 +1,78 @@
+// Copyright (C) 2020 Caio Lima (Igalia S.L). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateField calls ToObject when receiver is a primitive
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. If IsPropertyReference(V), then
+      a. If HasPrimitiveBase(V), then
+        i. Assert: In this case, base will never be null or undefined.
+        ii. Let base be ToObject(base).
+      b. If IsPrivateReference(V), then
+        i. Return ? PrivateFieldSet(field, base, W).
+    ...
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name.
+    2. Assert: Type(O) is Object.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+    5. Set entry.[[PrivateFieldValue]] to value.
+
+features: [class, class-fields-private, BigInt]
+---*/
+
+let count = 0;
+
+class C {
+  #p = 1;
+
+  method(v) {
+    count++;
+    try {
+      count++;
+      this.#p = v;
+    } catch (e) {
+      count++;
+      if (e instanceof TypeError) {
+        throw new Test262Error();
+      }
+    }
+  }
+}
+
+assert.throws(Test262Error, () => {
+  new C().method.call(15, 0);
+});
+assert.sameValue(count, 3);
+
+assert.throws(Test262Error, () => {
+  new C().method.call('Test262', 0);
+});
+assert.sameValue(count, 6);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(Symbol('Test262'), 0);
+});
+assert.sameValue(count, 9);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(15n, 0);
+});
+assert.sameValue(count, 12);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(null, 0);
+});
+assert.sameValue(count, 15);
+
+assert.throws(Test262Error, () => {
+  new C().method.call(undefined, 0);
+});
+assert.sameValue(count, 18);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js
new file mode 100644
index 0000000000..b9d1a0944f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Evaluation order when resolving private fields.
+esid: sec-runtime-semantics-keyeddestructuringassignmentevaluation
+info: |
+  13.15.5.6 Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+      b. ReturnIfAbrupt(lref).
+  2. ...
+
+  9.1.1.3.4 GetThisBinding ( )
+    1. Assert: envRec.[[ThisBindingStatus]] is not lexical.
+    2. If envRec.[[ThisBindingStatus]] is uninitialized, throw a ReferenceError exception.
+    3. ...
+
+features: [class, class-fields-private]
+---*/
+
+class C extends class {} {
+  #field;
+
+  constructor() {
+    var init = () => super();
+
+    var object = {
+      get a() {
+        init();
+      }
+    };
+
+    // Accessing |this| should throw a ReferenceError before there's an attempt
+    // to invoke the getter.
+    ({a: this.#field} = object);
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-2.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-2.js
new file mode 100644
index 0000000000..adacf20da5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-2.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Evaluation order when resolving private fields.
+esid: sec-runtime-semantics-keyeddestructuringassignmentevaluation
+info: |
+  13.15.5.6 Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+      b. ReturnIfAbrupt(lref).
+  2. Let v be ? GetV(value, propertyName).
+  3. ...
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    var object = {
+      get a() {
+        throw new Test262Error();
+      }
+    };
+
+    // The getter is executed before the check if the private field is present.
+    ({a: this.#field} = object);
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-3.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-3.js
new file mode 100644
index 0000000000..8a56632f36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-3.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Evaluation order when resolving private fields.
+esid: sec-runtime-semantics-keyeddestructuringassignmentevaluation
+info: |
+  13.15.5.6 Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+      b. ReturnIfAbrupt(lref).
+  2. Let v be ? GetV(value, propertyName).
+  3. ...
+
+features: [class, class-fields-private]
+---*/
+
+class Base {
+  constructor(o) {
+    return o;
+  }
+}
+
+class C extends Base {
+  #field;
+
+  m() {
+    var init = () => new C(this);
+
+    var object = {
+      get a() {
+        init();
+
+        return "pass";
+      }
+    };
+
+    ({a: this.#field} = object);
+
+    assert.sameValue(this.#field, "pass");
+  }
+}
+
+C.prototype.m.call({});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-1.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-1.js
new file mode 100644
index 0000000000..1bcbb433ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-1.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when setting private field before the entry was added to [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private, class-fields-public]
+---*/
+
+class C {
+  y = this.#x = 1;
+  #x;
+}
+
+assert.throws(TypeError, function() { new C(); })
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js
new file mode 100644
index 0000000000..4057039735
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    [...this.#field] = [];
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-11.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-11.js
new file mode 100644
index 0000000000..2ce9e2b796
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-11.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    ({...this.#field} = {});
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-2.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-2.js
new file mode 100644
index 0000000000..f1e389ef3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-2.js
@@ -0,0 +1,57 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+
+    // create class within in Outerclass -- the PrivateNameEnvironment binding for
+    // private field `#x` is resolvable.
+    return class {
+      f() {
+        this.#x = 1;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+
+assert.throws(TypeError, function() {
+  // when f() is called, the private field will not be found in Inner's `this`
+  i.f();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-3.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-3.js
new file mode 100644
index 0000000000..600c76567e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-3.js
@@ -0,0 +1,66 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Referenced lexically scoped private field found in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+
+    // create class within in Outerclass -- the PrivateNameEnvironment binding for
+    // private field `#x` is resolvable.
+    return class extends Outer {
+      f() {
+        this.#x = 1;
+      }
+    }
+  }
+
+  value() {
+    return this.#x;
+  }
+}
+
+var outer = new Outer();
+var Inner = outer.innerclass();
+var i = new Inner();
+
+assert.sameValue(outer.value(), 42);
+assert.sameValue(i.value(), 42);
+
+i.f();
+
+assert.sameValue(outer.value(), 42, "value is set on inner class instance only");
+assert.sameValue(i.value(), 1, "value is set from inner class instance");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-4.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-4.js
new file mode 100644
index 0000000000..5041bf15df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-4.js
@@ -0,0 +1,55 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+function classfactory() {
+  return class {
+    #x;
+    f() {
+      this.#x = 1;
+    }
+  }
+}
+
+var C1 = classfactory();
+var C2 = classfactory();
+
+var c1 = new C1();
+var c2 = new C2();
+
+assert.throws(TypeError, function() {
+  // when f() is called in class C1, the Private Name binding for #x in C1 will
+  // not found in C2's [[PrivateNameValues]]
+  c1.f.call(c2);
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-5.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-5.js
new file mode 100644
index 0000000000..17d27ecbf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-5.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+
+class Outer {
+  #x = 42;
+
+  innerclass() {
+    var self = this;
+
+    return class extends Outer {
+      #x = 'not42';
+      f() {
+        self.#x = 1;
+      }
+    }
+  }
+}
+
+var Inner = new Outer().innerclass();
+var i = new Inner();
+
+assert.throws(TypeError, function() {
+  // when f() is called, the entry in the PrivateNameEnironment's environment
+  // record for '#x' will contain the Inner class's Private Name for '#x'.
+  // When this Private Name is used for lookup on the `self` object, it
+  // will not be found (as the `self` object has the Outer's Private Name for #x)
+  i.f();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-6.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-6.js
new file mode 100644
index 0000000000..49d531ee7c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-6.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    for (this.#field of [1]) ;
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-7.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-7.js
new file mode 100644
index 0000000000..e2c0921bb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-7.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    for (this.#field in {a: 0}) ;
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-8.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-8.js
new file mode 100644
index 0000000000..309e31663d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-8.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    [this.#field] = [1];
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-9.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-9.js
new file mode 100644
index 0000000000..b39c3fc6a8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-9.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  TypeError when setting private field not in `this`'s [[PrivateFieldValues]]
+esid: sec-putvalue
+info: |
+  PutValue ( V, W )
+    ...
+    6. Else if IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Perform ? PrivateFieldSet(field, base, W).
+
+  PrivateFieldSet (P, O, value )
+    1. Assert: P is a Private Name value.
+    2. If O is not an object, throw a TypeError exception.
+    3. Let entry be PrivateFieldFind(P, O).
+    4. If entry is empty, throw a TypeError exception.
+
+  PrivateFieldFind (P, O)
+    1. Assert: P is a Private Name value.
+    2. Assert: O is an object with a [[PrivateFieldValues]] internal slot.
+    3. For each element entry in O.[[PrivateFieldValues]],
+      a. If entry.[[PrivateName]] is P, return entry.
+    4. Return empty.
+
+features: [class, class-fields-private]
+---*/
+
+class C {
+  #field;
+
+  m() {
+    ({a: this.#field} = {a: 0});
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.prototype.m.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privategetter-on-proxy.js b/js/src/tests/test262/language/statements/class/elements/privategetter-on-proxy.js
new file mode 100644
index 0000000000..4ea77939f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privategetter-on-proxy.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private getter on Proxy objects without using [[Get]]
+esid: sec-getvalue
+info: |
+  GetValue(V)
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+      c. Return ? base.[[Get]](GetReferencedName(V), GetThisValue(V)).
+  PrivateFieldGet(P, O)
+    ...
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      ...
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+includes: [compareArray.js]
+features: [class, class-methods-private, Proxy]
+---*/
+
+let arr = [];
+
+class ProxyBase {
+  constructor() {
+    return new Proxy(this, {
+      get: function (obj, prop) {
+        arr.push(prop);
+        return obj[prop];
+      }
+    });
+  }
+}
+
+class Test extends ProxyBase {
+  get #f() {
+    return 3;
+  }
+  method() {
+    return this.#f;
+  }
+}
+
+let t = new Test();
+let r = t.method();
+assert.sameValue(r, 3);
+
+assert.compareArray(arr, ['method']);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatemethods-on-proxy.js b/js/src/tests/test262/language/statements/class/elements/privatemethods-on-proxy.js
new file mode 100644
index 0000000000..d6aaabba64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatemethods-on-proxy.js
@@ -0,0 +1,57 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Successfully access private method on Proxy objects without using [[Get]]
+esid: sec-getvalue
+info: |
+  GetValue(V)
+    ...
+    5. If IsPropertyReference(V), then
+      ...
+      b. If IsPrivateReference(V), then
+        i. Let env be the running execution context's PrivateNameEnvironment.
+        ii. Let field be ? ResolveBinding(GetReferencedName(V), env).
+        iii. Assert: field is a Private Name.
+        iv. Return ? PrivateFieldGet(field, base).
+      c. Return ? base.[[Get]](GetReferencedName(V), GetThisValue(V)).
+  PrivateFieldGet(P, O)
+    ...
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+      ...
+includes: [compareArray.js]
+features: [class, class-methods-private, Proxy]
+---*/
+
+let arr = [];
+
+class ProxyBase {
+  constructor() {
+    return new Proxy(this, {
+      get: function (obj, prop) {
+        arr.push(prop);
+        return obj[prop];
+      }
+    });
+  }
+}
+
+class Test extends ProxyBase {
+  #f() {
+    return 3;
+  }
+  method() {
+    return this.#f();
+  }
+}
+
+let t = new Test();
+let r = t.method();
+assert.sameValue(r, 3);
+
+assert.compareArray(arr, ['method']);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-1.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-1.js
new file mode 100644
index 0000000000..9e13a856da
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-1.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename in constructor without being declared in class fields
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  constructor() {
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-2.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-2.js
new file mode 100644
index 0000000000..415cd95d52
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-2.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename in function in class without declaring in field
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  f() {
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-3.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-3.js
new file mode 100644
index 0000000000..4eef9588c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-3.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename that has not been declared in class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private, class-fields-public]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  y = this.#x;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-4.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-4.js
new file mode 100644
index 0000000000..6057d7051a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-4.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename that has not been declared in class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  f() {
+    this.#x;
+    class D extends C {
+      #x;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-5.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-5.js
new file mode 100644
index 0000000000..2c0120fc1e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-5.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename outside of class
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+}
+
+new C().#x;
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-6.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-6.js
new file mode 100644
index 0000000000..833606797f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-6.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {}
+
+new C().#x;
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-7.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-7.js
new file mode 100644
index 0000000000..3b9aededd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-7.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename on object, outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+obj = {};
+
+obj.#x;
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-8.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-8.js
new file mode 100644
index 0000000000..8b76cafa0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-earlyerr-script-8.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename on object, outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function f() {
+  this.#x;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-1.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-1.js
new file mode 100644
index 0000000000..64623554fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-1.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename in constructor without being declared in class fields
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+---*/
+
+var executed = false;
+
+class C {
+  constructor() {
+    eval("executed = true; this.#x;");
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-2.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-2.js
new file mode 100644
index 0000000000..b3502625b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-2.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename in function in class without declaring in field
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+---*/
+
+var executed = false;
+
+class C {
+  f() {
+    eval("executed = true; this.#x;");
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C().f();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-3.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-3.js
new file mode 100644
index 0000000000..1275505b59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-3.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename that has not been declared in class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private, class-fields-public]
+---*/
+
+var executed = false;
+
+class C {
+  y = eval("executed = true; this.#x;")
+}
+
+assert.throws(SyntaxError, function() {
+  new C();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-4.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-4.js
new file mode 100644
index 0000000000..af441ae724
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-4.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename that has not been declared in class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+---*/
+
+var executed = false;
+
+class C {
+  f() {
+    eval("executed = true; this.#x;");
+    class D extends C {
+      #x;
+    }
+  }
+}
+
+assert.throws(SyntaxError, function() {
+  new C().f();
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-5.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-5.js
new file mode 100644
index 0000000000..ed05abfd60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-5.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename outside of class
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+---*/
+
+var executed = false;
+
+class C {
+  #x;
+}
+
+assert.throws(SyntaxError, function() {
+  eval("executed = true; new C().#x");
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-6.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-6.js
new file mode 100644
index 0000000000..54fa2cdc03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-6.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class, class-fields-private]
+---*/
+
+var executed = false;
+class C {}
+
+assert.throws(SyntaxError, function() {
+  eval("executed = true; new C().#x");
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-7.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-7.js
new file mode 100644
index 0000000000..879bcf646f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-7.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename on object, outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class-fields-private]
+---*/
+
+var executed = false;
+var obj = {};
+
+assert.throws(SyntaxError, function() {
+  eval("executed = true; obj.#x;");
+});
+
+assert.sameValue(executed, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-8.js b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-8.js
new file mode 100644
index 0000000000..bb89e9ea39
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-not-valid-eval-earlyerr-8.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-scripts-static-semantics-early-errors
+description: Early error when referencing privatename on object, outside of class.
+info: |
+  Static Semantics: Early Errors
+    ScriptBody : StatementList
+
+    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+features: [class-fields-private]
+---*/
+
+var executed = false;
+
+function f() {
+  eval("executed = true; this.#x;");
+}
+
+assert.throws(SyntaxError, function() {
+  f();
+});
+
+assert.sameValue(executed, false);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/privatename-valid-no-earlyerr.js b/js/src/tests/test262/language/statements/class/elements/privatename-valid-no-earlyerr.js
new file mode 100644
index 0000000000..4a63961a6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatename-valid-no-earlyerr.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-all-private-names-valid
+description: Referencing privatename in class within class does not error.
+info: |
+  Static Semantics: AllPrivateNamesValid
+
+  AllPrivateNamesValid is an abstract operation which takes names as an argument.
+
+    MemberExpression : MemberExpression . PrivateName
+      1. If StringValue of PrivateName is in names, return true.
+      2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+      1. If StringValue of PrivateName is in names, return true.
+      2. Return false.
+
+    ClassBody : ClassElementList
+      1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+      2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements, passing in the names of the caller. If all pieces return true, then return true. If any returns false, return false.
+
+features: [class, class-fields-private]
+---*/
+
+class outer {
+  #x = 42;
+
+  f() {
+    var self = this;
+    return class inner {
+      g() {
+        return self.#x;
+      }
+    }
+  }
+}
+
+var innerclass = new outer().f();
+var test = new innerclass().g();
+
+assert.sameValue(test, 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-constructor.js b/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-constructor.js
new file mode 100644
index 0000000000..00e7377707
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-constructor.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-getter-before-super-return-in-constructor.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private getters are installed "when super returns" and no earlier (call in constructor) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  constructor() {
+      this.f();
+  }
+
+}
+
+class D extends C {
+    f() { this.#m; }
+    get #m() { return 42; }
+}
+
+assert(D.prototype.hasOwnProperty('f'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private getters are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-field-initializer.js b/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-field-initializer.js
new file mode 100644
index 0000000000..65725972ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-getter-before-super-return-in-field-initializer.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-getter-before-super-return-in-field-initializer.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private getters are installed "when super returns" and no earlier (call in field initializer) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  f = this.g();
+
+}
+
+class D extends C {
+    g() { this.#m; }
+    get #m() { return 42; }
+}
+
+assert(D.prototype.hasOwnProperty('g'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private getters are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-constructor.js b/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-constructor.js
new file mode 100644
index 0000000000..b3d9c28436
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-constructor.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-method-before-super-return-in-constructor.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private methods are installed "when super returns" and no earlier (call in constructor) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  constructor() {
+      this.f();
+  }
+
+}
+
+class D extends C {
+    f() { this.#m(); }
+    #m() { return 42; }
+}
+
+assert(D.prototype.hasOwnProperty('f'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private methods are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-field-initializer.js b/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-field-initializer.js
new file mode 100644
index 0000000000..18bd4f8a82
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-method-before-super-return-in-field-initializer.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-method-before-super-return-in-field-initializer.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private methods are installed "when super returns" and no earlier (call in field initializer) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  f = this.g();
+
+}
+
+class D extends C {
+    g() { this.#m(); }
+    #m() { return 42; }
+}
+
+assert(D.prototype.hasOwnProperty('g'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private methods are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-constructor.js b/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-constructor.js
new file mode 100644
index 0000000000..9ff167a991
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-constructor.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-setter-before-super-return-in-constructor.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private setters are installed "when super returns" and no earlier (call in constructor) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  constructor() {
+      this.f();
+  }
+
+}
+
+class D extends C {
+    f() { this.#m = 42; }
+    set #m(val) {}
+}
+
+assert(D.prototype.hasOwnProperty('f'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private setters are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-field-initializer.js b/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-field-initializer.js
new file mode 100644
index 0000000000..514e777881
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/prod-private-setter-before-super-return-in-field-initializer.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/prod-private-setter-before-super-return-in-field-initializer.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Private settters are installed "when super returns" and no earlier (call in field initializer) (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-public, class]
+flags: [generated]
+info: |
+    SuperCall: super Arguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceElements(result, F).
+
+    EDITOR'S NOTE:
+      Private fields are added to the object one by one, interspersed with
+      evaluation of the initializers, following the construction of the
+      receiver. These semantics allow for a later initializer to refer to
+      a previous private field.
+
+---*/
+
+
+class C {
+  f = this.g();
+
+}
+
+class D extends C {
+    g() { this.#m = 42; }
+    set #m(val) {}
+}
+
+assert(D.prototype.hasOwnProperty('g'));
+assert.throws(TypeError, function() {
+    var d = new D();
+}, 'private setters are not installed before super returns');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-is-visible-to-proxy.js b/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-is-visible-to-proxy.js
new file mode 100644
index 0000000000..47d1459d11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-is-visible-to-proxy.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Public class field initialization calls [[DefineOwnProperty]] and can be observed by Proxies
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+features: [class, class-fields-public]
+---*/
+
+function ProxyBase() {
+  return new Proxy(this, {
+    defineProperty: function (target, key, descriptor) {
+      throw new Test262Error();
+    }
+  });
+}
+
+class Base extends ProxyBase {
+  f = "Test262";
+}
+
+assert.throws(Test262Error, () => { new Base(); });
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-on-super-class-with-setter.js b/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-on-super-class-with-setter.js
new file mode 100644
index 0000000000..ead5887638
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/public-class-field-initialization-on-super-class-with-setter.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Public class field initialization calls [[DefineOwnProperty]] and don't execute super's getter
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+includes: [propertyHelper.js]
+features: [class, class-fields-public]
+---*/
+
+class Super {
+  set f(v) {
+    throw new Test262Error();
+  }
+}
+
+class Base extends Super {
+  f = "Test262";
+}
+
+let o = new Base();
+
+verifyProperty(o, "f", {
+  value: "Test262",
+  enumerable: true,
+  writable: true,
+  configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/redeclaration-symbol.js b/js/src/tests/test262/language/statements/class/elements/redeclaration-symbol.js
new file mode 100644
index 0000000000..84fcf66da1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/redeclaration-symbol.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/redeclaration-symbol.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Redeclaration of public fields with the same name (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js, compareArray.js]
+info: |
+    2.13.2 Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    30. Set the value of F's [[Fields]] internal slot to fieldRecords.
+    ...
+
+    2.14 [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    8. If kind is "base", then
+      ...
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+    ...
+
+    2.9 InitializeInstanceFields ( O, constructor )
+
+    3. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. If fieldRecord.[[static]] is false, then
+        i. Perform ? DefineField(O, fieldRecord).
+
+---*/
+var x = [];
+var y = Symbol();
+
+
+class C {
+  [y] = (x.push("a"), "old_value");
+  [y] = (x.push("b"), "same_value");
+  [y] = (x.push("c"), "same_value");
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "y does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "y does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: "same_value",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert.compareArray(x, ["a", "b", "c"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/redeclaration.js b/js/src/tests/test262/language/statements/class/elements/redeclaration.js
new file mode 100644
index 0000000000..adefc1b2ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/redeclaration.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/redeclaration.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Redeclaration of public fields with the same name (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js, compareArray.js]
+info: |
+    2.13.2 Runtime Semantics: ClassDefinitionEvaluation
+
+    ...
+    30. Set the value of F's [[Fields]] internal slot to fieldRecords.
+    ...
+
+    2.14 [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    8. If kind is "base", then
+      ...
+      b. Let result be InitializeInstanceFields(thisArgument, F).
+    ...
+
+    2.9 InitializeInstanceFields ( O, constructor )
+
+    3. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. If fieldRecord.[[static]] is false, then
+        i. Perform ? DefineField(O, fieldRecord).
+
+---*/
+var x = [];
+
+
+class C {
+  y = (x.push("a"), "old_value");
+  ["y"] = (x.push("b"), "another_value");
+  "y" = (x.push("c"), "same_value");
+  y = (x.push("d"), "same_value");
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "y", {
+  value: "same_value",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert.compareArray(x, ["a", "b", "c", "d"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-names.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-names.js
new file mode 100644
index 0000000000..804d5547d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-names.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Computed property names (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"]
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-symbol-names.js
new file mode 100644
index 0000000000..4c92e0626f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-computed-symbol-names.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Computed property symbol names (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..80fa60ad31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: PrivateName Static Semantics, StringValue (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names-asi.js
new file mode 100644
index 0000000000..c3e40e0527
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names-asi.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Literal property names with ASI (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names.js
new file mode 100644
index 0000000000..26d73e8e17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-literal-names.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Literal property names (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-field-usage.js
new file mode 100644
index 0000000000..d8383f1c25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-field-usage.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: PrivateName CallExpression usage (private field) (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-getter-usage.js
new file mode 100644
index 0000000000..e193a0f685
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-getter-usage.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-usage.js
new file mode 100644
index 0000000000..414c3f0fbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-method-usage.js
@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: PrivateName CallExpression usage (private method) (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-names.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-names.js
new file mode 100644
index 0000000000..e0033fde71
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-private-names.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: private names (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..90d7c9c884
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier-initializer.js
@@ -0,0 +1,73 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid FieldDefinition (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier.js
new file mode 100644
index 0000000000..9c1eeb88c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-field-identifier.js
@@ -0,0 +1,80 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid FieldDefinition (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J
+  
+}
+
+var c = new C();
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter-alt.js
new file mode 100644
index 0000000000..7a74aa71d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter-alt.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private getter (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter.js
new file mode 100644
index 0000000000..64370e9bea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-getter.js
@@ -0,0 +1,114 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private getter (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method-alt.js
new file mode 100644
index 0000000000..ca1d7342d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method-alt.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private method (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method.js
new file mode 100644
index 0000000000..9ab249e21a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-method.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private method (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter-alt.js
new file mode 100644
index 0000000000..84e201cc46
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter-alt.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private setter (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter.js
new file mode 100644
index 0000000000..9a5ccb9b66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-private-setter.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName as private setter (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ded06a1333
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-alt.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..217f88f14d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..14e266a2f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier-initializer.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier.js
new file mode 100644
index 0000000000..4dfebd2c24
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-privatename-identifier.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..77d38c6e02
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..7950268e1a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2f28b5eafe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..509ef00256
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static AsyncMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2aa0d02e57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..001428d143
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,111 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ea4e64890b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static Method PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..9af7fea9a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-method-privatename-identifier.js
@@ -0,0 +1,108 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static Method PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..0635aee73e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..954d8585db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..1d89459791
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..eaa4c940db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..f735e6dfc2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..d75bea949f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,90 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..92e2e032a9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-rs-static-privatename-identifier.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: Valid Static PrivateName (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-fields.js
new file mode 100644
index 0000000000..acb79ba75a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-fields.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: static private fields (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..f09d69a8e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods-with-fields.js
@@ -0,0 +1,74 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: static private methods with fields (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods.js
new file mode 100644
index 0000000000..a3a431ebad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-static-private-methods.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: static private methods (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/regular-definitions-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/regular-definitions-string-literal-names.js
new file mode 100644
index 0000000000..225e14ff86
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/regular-definitions-string-literal-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-regular-definitions.template
+/*---
+description: String literal names (regular fields defintion)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-names.js
new file mode 100644
index 0000000000..972f1370c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-names.js
@@ -0,0 +1,120 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Computed property names (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  async *m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+      "10 doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "10"),
+      "10 doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "10", {
+      value: "meep",
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "not initialized", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..9c37193020
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-computed-symbol-names.js
@@ -0,0 +1,118 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Computed property symbol names (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  async *m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, x),
+      "Symbol x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, x),
+      "Symbol x doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, x, {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, y),
+      "Symbol y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, y),
+      "Symbol y doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, y, {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+      "y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "y"),
+      "y doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "y"),
+      "y doesn't appear as an own property on C instance"
+    );
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..bf90ea927e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.o(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names-asi.js
new file mode 100644
index 0000000000..25edbf3dce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names-asi.js
@@ -0,0 +1,90 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Literal property names with ASI (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names.js
new file mode 100644
index 0000000000..8ed11bb12f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-literal-names.js
@@ -0,0 +1,109 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Literal property names (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  async *m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: fn,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-field-usage.js
new file mode 100644
index 0000000000..636bfeba55
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-field-usage.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..664a70addb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-getter-usage.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-usage.js
new file mode 100644
index 0000000000..5195b40603
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-method-usage.js
@@ -0,0 +1,62 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-names.js
new file mode 100644
index 0000000000..5ad4376496
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-private-names.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: private names (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(c.x(), 42, "test 7");
+    assert.sameValue(c.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..e25f83ab69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..a82d9db938
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js
@@ -0,0 +1,107 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    c.$ = 1;
+    c._ = 1;
+    c.\u{6F} = 1;
+    c.\u2118 = 1;
+    c.ZW_\u200C_NJ = 1;
+    c.ZW_\u200D_J = 1;
+
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..e4fe4a9217
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter-alt.js
@@ -0,0 +1,141 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter.js
new file mode 100644
index 0000000000..cbd190d896
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-getter.js
@@ -0,0 +1,141 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private getter (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..c167ec0e40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method-alt.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method.js
new file mode 100644
index 0000000000..01c26b751d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-method.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private method (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..f74c1c7df2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter-alt.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter.js
new file mode 100644
index 0000000000..a8f4b7a0ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-private-setter.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName as private setter (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..e85d80c565
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..297996f81f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,116 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.℘(), 1);
+    assert.sameValue(c.ZW_‌_NJ(), 1);
+    assert.sameValue(c.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..c7bb2db17b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,116 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.\u2118(), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(), 1);
+    assert.sameValue(c.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..25e094aa92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-privatename-identifier.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..4f39dd59e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,148 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.o([1]).next(),
+      C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..71476df72b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,149 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.\u{6F}([1]).next(),
+      C.\u2118([1]).next(),
+      C.ZW_\u200C_NJ([1]).next(),
+      C.ZW_\u200D_J([1]).next(),
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..9a7993365e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,148 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.o(1),
+      C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..ab1f021ca8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,149 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.\u{6F}(1),
+      C.\u2118(1),
+      C.ZW_\u200C_NJ(1),
+      C.ZW_\u200D_J(1),
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..3d3f000cdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.o([1]).next().value, 1);
+    assert.sameValue(C.℘([1]).next().value, 1);
+    assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..0bf793f536
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,138 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.\u{6F}([1]).next().value, 1);
+    assert.sameValue(C.\u2118([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..57fa08c44f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..403e3b857b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static Method PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..16eb36e6fb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..1e9a245c1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..e9351775f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..9b954de62d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..ef223e30dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..89b39924ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.\u2118(), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(), 1);
+    assert.sameValue(C.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..cc7eb655b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid Static PrivateName (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-fields.js
new file mode 100644
index 0000000000..534bf0f6aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-fields.js
@@ -0,0 +1,84 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: static private fields (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..508876ee08
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods-with-fields.js
@@ -0,0 +1,101 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: static private methods with fields (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 13");
+    assert.sameValue(C.y(), 43, "test 14");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods.js
new file mode 100644
index 0000000000..9b6f577fca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-static-private-methods.js
@@ -0,0 +1,88 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: static private methods (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 86, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-string-literal-names.js
new file mode 100644
index 0000000000..911faa1d9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-string-literal-names.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: String literal names (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  async *m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: 39,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+      "d does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "d"),
+      "d does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "d", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-names.js
new file mode 100644
index 0000000000..9bb608a2f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-names.js
@@ -0,0 +1,119 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Computed property names (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  async m() { return 42; } [x] = 42; [10] = "meep"; ["not initialized"];
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+      "10 doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "10"),
+      "10 doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "10", {
+      value: "meep",
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+      "'not initialized' doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "not initialized", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-symbol-names.js
new file mode 100644
index 0000000000..395584354c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-computed-symbol-names.js
@@ -0,0 +1,117 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Computed property symbol names (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  async m() { return 42; } [x]; [y] = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, x),
+      "Symbol x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, x),
+      "Symbol x doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, x, {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, y),
+      "Symbol y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, y),
+      "Symbol y doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, y, {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+      "x doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "x"),
+      "x doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "x"),
+      "x doesn't appear as an own property on C instance"
+    );
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+      "y doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "y"),
+      "y doesn't appear as an own property on C constructor"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(c, "y"),
+      "y doesn't appear as an own property on C instance"
+    );
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..b474834e14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  async m() { return 42; } #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.o(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names-asi.js
new file mode 100644
index 0000000000..ace9109e4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names-asi.js
@@ -0,0 +1,89 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Literal property names with ASI (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  async m() { return 42; } a
+  b = 42;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names.js
new file mode 100644
index 0000000000..3bafafbc0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-literal-names.js
@@ -0,0 +1,108 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Literal property names (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  async m() { return 42; } a; b = 42;
+  c = fn;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c doesn't appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c doesn't appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: fn,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-field-usage.js
new file mode 100644
index 0000000000..66469c293d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-field-usage.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async m() { return 42; } #m = 'test262';;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..f71ee44739
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-getter-usage.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async m() { return 42; } get #m() { return 'test262'; };
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-usage.js
new file mode 100644
index 0000000000..f5b90f8685
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-method-usage.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  async m() { return 42; } #m() { return 'test262'; };
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.method(), 'test262');
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-names.js
new file mode 100644
index 0000000000..7dde827b1e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-private-names.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: private names (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async m() { return 42; } #x; #y;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(c.x(), 42, "test 7");
+    assert.sameValue(c.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..ea1128fafb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier-initializer.js
@@ -0,0 +1,99 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid FieldDefinition (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier.js
new file mode 100644
index 0000000000..5846d564c5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-field-identifier.js
@@ -0,0 +1,106 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid FieldDefinition (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    c.$ = 1;
+    c._ = 1;
+    c.\u{6F} = 1;
+    c.\u2118 = 1;
+    c.ZW_\u200C_NJ = 1;
+    c.ZW_\u200D_J = 1;
+
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..4054d76491
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter-alt.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter.js
new file mode 100644
index 0000000000..993a5984e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-getter.js
@@ -0,0 +1,140 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..dc90a7d4a1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method-alt.js
@@ -0,0 +1,139 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method.js
new file mode 100644
index 0000000000..c385f47f7c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-method.js
@@ -0,0 +1,139 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private method (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..a832fc5cd3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter-alt.js
@@ -0,0 +1,139 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter.js
new file mode 100644
index 0000000000..d6915b0c31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-private-setter.js
@@ -0,0 +1,139 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..598efcb28a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.℘(1), 1);
+    assert.sameValue(c.ZW_‌_NJ(1), 1);
+    assert.sameValue(c.ZW_‍_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..31760905fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,115 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.℘(), 1);
+    assert.sameValue(c.ZW_‌_NJ(), 1);
+    assert.sameValue(c.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..3de36353e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,115 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(), 1);
+    assert.sameValue(c._(), 1);
+    assert.sameValue(c.\u{6F}(), 1);
+    assert.sameValue(c.\u2118(), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(), 1);
+    assert.sameValue(c.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..f76b713628
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-privatename-identifier.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(c.$(1), 1);
+    assert.sameValue(c._(1), 1);
+    assert.sameValue(c.\u{6F}(1), 1);
+    assert.sameValue(c.\u2118(1), 1);
+    assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..27f480eabb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,147 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.o([1]).next(),
+      C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..1c319cbca0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,148 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$([1]).next(),
+      C._([1]).next(),
+      C.\u{6F}([1]).next(),
+      C.\u2118([1]).next(),
+      C.ZW_\u200C_NJ([1]).next(),
+      C.ZW_\u200D_J([1]).next(),
+    ]).then(results => {
+
+      assert.sameValue(results[0].value, 1);
+      assert.sameValue(results[1].value, 1);
+      assert.sameValue(results[2].value, 1);
+      assert.sameValue(results[3].value, 1);
+      assert.sameValue(results[4].value, 1);
+      assert.sameValue(results[5].value, 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..b7b7784982
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,147 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.o(1),
+      C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+      C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..e960409e25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,148 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    Promise.all([
+      C.$(1),
+      C._(1),
+      C.\u{6F}(1),
+      C.\u2118(1),
+      C.ZW_\u200C_NJ(1),
+      C.ZW_\u200D_J(1),
+    ]).then(results => {
+
+      assert.sameValue(results[0], 1);
+      assert.sameValue(results[1], 1);
+      assert.sameValue(results[2], 1);
+      assert.sameValue(results[3], 1);
+      assert.sameValue(results[4], 1);
+      assert.sameValue(results[5], 1);
+
+    }).then($DONE, $DONE);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..cf980b1e01
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,136 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.o([1]).next().value, 1);
+    assert.sameValue(C.℘([1]).next().value, 1);
+    assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..1ec439eb20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,137 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$([1]).next().value, 1);
+    assert.sameValue(C._([1]).next().value, 1);
+    assert.sameValue(C.\u{6F}([1]).next().value, 1);
+    assert.sameValue(C.\u2118([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+    assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..a170bf16ce
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..fa4edb8610
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..dc5ef17df1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..a1b13ded29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.o(1), 1);
+    assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+    assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..82513e2be7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..046f6161b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,116 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..741d42cf4f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,116 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.℘(), 1);
+    assert.sameValue(C.ZW_‌_NJ(), 1);
+    assert.sameValue(C.ZW_‍_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..661d3c7f3e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,116 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(), 1);
+    assert.sameValue(C._(), 1);
+    assert.sameValue(C.\u{6F}(), 1);
+    assert.sameValue(C.\u2118(), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(), 1);
+    assert.sameValue(C.ZW_\u200D_J(), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..8e4d1e4cb4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-rs-static-privatename-identifier.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: Valid Static PrivateName (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert.sameValue(C.$(1), 1);
+    assert.sameValue(C._(1), 1);
+    assert.sameValue(C.\u{6F}(1), 1);
+    assert.sameValue(C.\u2118(1), 1);
+    assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+    assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-fields.js
new file mode 100644
index 0000000000..6ae1baeb9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-fields.js
@@ -0,0 +1,83 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: static private fields (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #x; static #y;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private fields do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 43, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..91bd3fbf19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods-with-fields.js
@@ -0,0 +1,100 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: static private methods with fields (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async m() { return 42; } static #xVal; static #yVal;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 13");
+    assert.sameValue(C.y(), 43, "test 14");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+    assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods.js
new file mode 100644
index 0000000000..942d52a517
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-static-private-methods.js
@@ -0,0 +1,87 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: static private methods (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  async m() { return 42; } ;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    // Test the private methods do not appear as properties before set to value
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+    assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+    assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+    // Test if private fields can be sucessfully accessed and set to value
+    assert.sameValue(C.x(), 42, "test 7");
+    assert.sameValue(C.y(), 86, "test 8");
+
+    // Test the private fields do not appear as properties before after set to value
+    assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+    assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-string-literal-names.js
new file mode 100644
index 0000000000..102f81d4b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-method-string-literal-names.js
@@ -0,0 +1,121 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-method.template
+/*---
+description: String literal names (field definitions after an async method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-functions]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  async m() { return 42; } 'a'; "b"; 'c' = 39;
+  "d" = 42;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().then(function(v) {
+  assert.sameValue(v, 42);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+      "a does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "a"),
+      "a does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "a", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+      "b does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "b"),
+      "b does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "b", {
+      value: undefined,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+      "c does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "c"),
+      "c does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "c", {
+      value: 39,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+
+    assert(
+      !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+      "d does not appear as an own property on C prototype"
+    );
+    assert(
+      !Object.prototype.hasOwnProperty.call(C, "d"),
+      "d does not appear as an own property on C constructor"
+    );
+
+    verifyProperty(c, "d", {
+      value: 42,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-names.js
new file mode 100644
index 0000000000..c6756902a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-names.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Computed property names (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"]; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-symbol-names.js
new file mode 100644
index 0000000000..fd3271ada5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-computed-symbol-names.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Computed property symbol names (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..765b14e562
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;; *m() { return 42; }
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names-asi.js
new file mode 100644
index 0000000000..1b44e6acd0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names-asi.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Literal property names with ASI (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names.js
new file mode 100644
index 0000000000..690e9b4775
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-literal-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Literal property names (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-field-usage.js
new file mode 100644
index 0000000000..e9c9b07277
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-field-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';; *m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-getter-usage.js
new file mode 100644
index 0000000000..b4d9b582f2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-getter-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }; *m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-usage.js
new file mode 100644
index 0000000000..29ff1bffb1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-method-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }; *m() { return 42; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-names.js
new file mode 100644
index 0000000000..012a9b8507
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-private-names.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: private names (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y; *m() { return 42; }
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..73314ca1ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier-initializer.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..e718d9e508
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-field-identifier.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter-alt.js
new file mode 100644
index 0000000000..55096fe306
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter.js
new file mode 100644
index 0000000000..80244ca087
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-getter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method-alt.js
new file mode 100644
index 0000000000..8f4d65d8d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method.js
new file mode 100644
index 0000000000..d81c4e3383
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-method.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter-alt.js
new file mode 100644
index 0000000000..a2b835d6ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter.js
new file mode 100644
index 0000000000..f0a4e46f00
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-private-setter.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+; *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..ca087b0399
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-alt.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J; *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..f21f1a2e71
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1; *m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..2ccadb6eae
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier-initializer.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1; *m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier.js
new file mode 100644
index 0000000000..485a9bd34d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-privatename-identifier.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J; *m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..a6a8c640d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }; *m() { return 42; }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..fe03ce23f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }; *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..22b486db39
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }; *m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..3ef061db5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }; *m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..37181ecc10
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,124 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }; *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..3630e7b33c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }; *m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..b6f7007c88
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }; *m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..ce032fa68c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-method-privatename-identifier.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }; *m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..836a203e5c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J; *m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..dd7f2c74ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J; *m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..f99a1b1503
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J; *m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..43ade49028
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1; *m() { return 42; }
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..473ea08121
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1; *m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..734395af36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1; *m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..3903cb11b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-rs-static-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J; *m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-fields.js
new file mode 100644
index 0000000000..8c27b417ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-fields.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: static private fields (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y; *m() { return 42; }
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..fa0c3345e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods-with-fields.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: static private methods with fields (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal; *m() { return 42; }
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods.js
new file mode 100644
index 0000000000..9a54e8a48f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-static-private-methods.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: static private methods (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ; *m() { return 42; }
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-gen-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-gen-string-literal-names.js
new file mode 100644
index 0000000000..6735a3a627
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-gen-string-literal-names.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-same-line-generator.template
+/*---
+description: String literal names (field definitions followed by a generator method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, generators]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42; *m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m().next().value, 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-names.js
new file mode 100644
index 0000000000..d2e624c169
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-names.js
@@ -0,0 +1,107 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Computed property names (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  [x] = 42; [10] = "meep"; ["not initialized"]; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-symbol-names.js
new file mode 100644
index 0000000000..60f11abfc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-computed-symbol-names.js
@@ -0,0 +1,105 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Computed property symbol names (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  [x]; [y] = 42; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..4a6e3dc26a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: PrivateName Static Semantics, StringValue (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;; m() { return 42; }
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names-asi.js
new file mode 100644
index 0000000000..86b5cabe86
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names-asi.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Literal property names with ASI (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  a
+  b = 42;; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names.js
new file mode 100644
index 0000000000..ffad35e421
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-literal-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Literal property names (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  a; b = 42;
+  c = fn; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-field-usage.js
new file mode 100644
index 0000000000..e41e34de6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-field-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (private field) (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m = 'test262';; m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-getter-usage.js
new file mode 100644
index 0000000000..fcc4466573
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-getter-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  get #m() { return 'test262'; }; m() { return 42; }
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-usage.js
new file mode 100644
index 0000000000..03ec6f24e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-method-usage.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: PrivateName CallExpression usage (private method) (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  #m() { return 'test262'; }; m() { return 42; }
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-private-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-names.js
new file mode 100644
index 0000000000..0977dfbdd1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-private-names.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: private names (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x; #y; m() { return 42; }
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..4a14ab6d0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier-initializer.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier.js
new file mode 100644
index 0000000000..2261cbc387
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-field-identifier.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid FieldDefinition (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter-alt.js
new file mode 100644
index 0000000000..5d5831486a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter-alt.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter.js
new file mode 100644
index 0000000000..8698f33905
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-getter.js
@@ -0,0 +1,128 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private getter (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method-alt.js
new file mode 100644
index 0000000000..18d7aa16d2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method.js
new file mode 100644
index 0000000000..85cff2317b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-method.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private method (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter-alt.js
new file mode 100644
index 0000000000..c6d74ba3f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter-alt.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter.js
new file mode 100644
index 0000000000..b626dbbe6c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-private-setter.js
@@ -0,0 +1,127 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName as private setter (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+; m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..305a538f48
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-alt.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J; m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..a560f28089
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1; m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..370cd34157
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier-initializer.js
@@ -0,0 +1,103 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1; m() { return 42; }
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier.js
new file mode 100644
index 0000000000..026bb6e756
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-privatename-identifier.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J; m() { return 42; }
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..d001e108f3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  }; m() { return 42; }
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..5da3af0260
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  }; m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..3d0f4dffea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,134 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  }; m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..ab5ea4157e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,135 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static AsyncMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  }; m() { return 42; }
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..b2fb9a471b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,124 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  }; m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..610ae1f044
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,125 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  }; m() { return 42; }
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..c37597597d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  }; m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..f169846a04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-method-privatename-identifier.js
@@ -0,0 +1,122 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static Method PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  }; m() { return 42; }
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..b0ddf9a34e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J; m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..2cc1ad9a75
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J; m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..5c113a6763
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J; m() { return 42; }
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..b99b7b6fb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1; m() { return 42; }
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..726b917af6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1; m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..dc6cc0adc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,104 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1; m() { return 42; }
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..eeedf66852
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-rs-static-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: Valid Static PrivateName (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J; m() { return 42; }
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-fields.js
new file mode 100644
index 0000000000..b829baa278
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-fields.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: static private fields (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #x; static #y; m() { return 42; }
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..122e89c869
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods-with-fields.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: static private methods with fields (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  static #xVal; static #yVal; m() { return 42; }
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods.js
new file mode 100644
index 0000000000..23d279092e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-static-private-methods.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: static private methods (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ; m() { return 42; }
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-method-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/same-line-method-string-literal-names.js
new file mode 100644
index 0000000000..bc189fe759
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-method-string-literal-names.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-same-line-method.template
+/*---
+description: String literal names (field definitions followed by a method in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  'a'; "b"; 'c' = 39;
+  "d" = 42; m() { return 42; }
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.m(), 42);
+assert.sameValue(c.m, C.prototype.m);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-setter.js b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-setter.js
new file mode 100644
index 0000000000..0548a1b526
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-setter.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to set a private member without setter throws TypeError
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet ( P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  get #f() {
+    throw new Test262Error();
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let c = new C();
+assert.throws(TypeError, function() {
+  c.setAccess();
+}, 'set operation on private accessor without setter should throw TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-static-setter.js b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-static-setter.js
new file mode 100644
index 0000000000..cba6b87287
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-private-static-setter.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to set a private member without setter throws TypeError
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet ( P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-static-methods-private, class]
+---*/
+
+class C {
+  static get #f() {
+    throw new Test262Error();
+  }
+
+  static setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+assert.throws(TypeError, function() {
+  C.setAccess();
+}, 'set operation on private accessor without setter should throw TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-shadowed-private-setter.js b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-shadowed-private-setter.js
new file mode 100644
index 0000000000..9f2657cec9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/set-access-of-missing-shadowed-private-setter.js
@@ -0,0 +1,92 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to set in PrivateName without setter throws TypeError
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet ( P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class A {
+  set #f(v) {
+    throw new Test262Error();
+  }
+}
+
+class B extends A {
+  get #f() {
+    throw new Test262Error();
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let b = new B();
+assert.throws(TypeError, function() {
+  b.setAccess();
+}, 'subclass private accessor should shadow super class private accessor');
+
+class C {
+  set #f(v) {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    get #f() {
+      throw new Test262Error();
+    }
+
+    setAccess() {
+      this.#f = 'Test262';
+    }
+  }
+}
+
+let c = new C();
+let innerC = new c.Inner();
+assert.throws(TypeError, function() {
+  innerC.setAccess();
+}, 'inner class private accessor should shadow outer class private accessor');
+
+class D {
+  get #f() {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    set #f(v) {
+      throw new Test262Error();
+    }
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let d = new D();
+assert.throws(TypeError, function() {
+  d.setAccess();
+}, 'inner class private accessor should not be visible to outer class private accessor');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/set-access-of-private-method.js b/js/src/tests/test262/language/statements/class/elements/set-access-of-private-method.js
new file mode 100644
index 0000000000..13b493274e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/set-access-of-private-method.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to set a private method throws TypeError
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet ( P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-methods-private, class]
+---*/
+
+class C {
+  #f() {
+    throw new Test262Error();
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let c = new C();
+assert.throws(TypeError, function() {
+  c.setAccess();
+}, 'set operation on private method should throw TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/set-access-of-shadowed-private-method.js b/js/src/tests/test262/language/statements/class/elements/set-access-of-shadowed-private-method.js
new file mode 100644
index 0000000000..4a15f281a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/set-access-of-shadowed-private-method.js
@@ -0,0 +1,92 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Trying to set private method throws TypeError
+esid: sec-privatefieldset
+info: |
+  PrivateFieldSet ( P, O, value )
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Set entry.[[PrivateFieldValue]] to value.
+      d. Return.
+    4. If P.[[Kind]] is "method", throw a TypeError exception.
+    5. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
+      c. If P does not have a [[Set]] field, throw a TypeError exception.
+      d. Let setter be P.[[Set]].
+      e. Perform ? Call(setter, O, value).
+      f. Return.
+features: [class-methods-private, class-fields-public, class]
+---*/
+
+class A {
+  set #f(v) {
+    throw new Test262Error();
+  }
+}
+
+class B extends A {
+  #f() {
+    throw new Test262Error();
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let b = new B();
+assert.throws(TypeError, function() {
+  b.setAccess();
+}, 'subclass private method should shadow super class private accessor');
+
+class C {
+  set #f(v) {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    #f() {
+      throw new Test262Error();
+    }
+
+    setAccess() {
+      this.#f = 'Test262';
+    }
+  }
+}
+
+let c = new C();
+let innerC = new c.Inner();
+assert.throws(TypeError, function() {
+  innerC.setAccess();
+}, 'inner class private method should shadow outer class private accessor');
+
+class D {
+  #f() {
+    throw new Test262Error();
+  }
+
+  Inner = class {
+    set #f(v) {
+      throw new Test262Error();
+    }
+  }
+
+  setAccess() {
+    this.#f = 'Test262';
+  }
+}
+
+let d = new D();
+assert.throws(TypeError, function() {
+  d.setAccess();
+}, 'inner class private accessor should not be visible to outer class');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/shell.js b/js/src/tests/test262/language/statements/class/elements/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field-assigned.js b/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field-assigned.js
new file mode 100644
index 0000000000..7e6f093768
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field-assigned.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-as-valid-instance-field-assigned.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static is a valid name of an instance field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static = "foo";
+}
+
+let c = new C();
+
+verifyProperty(c, "static", {
+  value: "foo",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field.js b/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field.js
new file mode 100644
index 0000000000..26bb5b7629
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-as-valid-instance-field.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-as-valid-instance-field.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static is a valid name of an instance field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  static;
+}
+
+let c = new C();
+
+verifyProperty(c, "static", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field-assigned.js b/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field-assigned.js
new file mode 100644
index 0000000000..1383f338c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field-assigned.js
@@ -0,0 +1,30 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-as-valid-static-field-assigned.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static is a valid name of a static field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      static FieldDefinition ;
+
+---*/
+
+
+class C {
+  static static = "test262";
+}
+
+verifyProperty(C, "static", {
+  value: "test262",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field.js b/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field.js
new file mode 100644
index 0000000000..88f818f28c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-as-valid-static-field.js
@@ -0,0 +1,30 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-as-valid-static-field.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static is a valid name of a static field (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      static FieldDefinition ;
+
+---*/
+
+
+class C {
+  static static;
+}
+
+verifyProperty(C, "static", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..eff2ee5b0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-arguments.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-comp-name.template
+/*---
+description: Syntax error if `arguments` used in class field (static computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  static [x] = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-super.js
new file mode 100644
index 0000000000..8ea327730f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-comp-name-init-err-contains-super.js
@@ -0,0 +1,29 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-comp-name.template
+/*---
+description: Syntax error if `super()` used in class field (static computed ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public, computed-property-names]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+var x = "string";
+class C {
+  static [x] = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-length.js b/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-length.js
new file mode 100644
index 0000000000..17c4b304b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-length.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-anonymous-function-length.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Anonymous function in field initilizer have length properly set (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      ...
+
+---*/
+
+
+class C {
+  static #field = (a, b) => undefined;
+  static field = function() {};
+
+  static accessPrivateField() {
+    return this.#field;
+  }
+
+}
+
+assert.sameValue(C.accessPrivateField().length, 2);
+assert.sameValue(C.field.length, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-name.js b/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-name.js
new file mode 100644
index 0000000000..9fe93ca156
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-anonymous-function-name.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-anonymous-function-name.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Anonymous function receives the name of static fields (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      6. Else, let initValue be undefined.
+      7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+        a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+        b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+      8. If fieldName is a Private Name,
+        a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+      9. Else,
+        a. Assert: IsPropertyKey(fieldName) is true.
+        b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+      10. Return.
+
+---*/
+
+
+class C {
+  static #field = () => 'Test262';
+  static field = function() { return 42; };
+
+  static accessPrivateField() {
+    return this.#field;
+  }
+
+}
+
+assert.sameValue(C.accessPrivateField().name, "#field");
+assert.sameValue(C.field.name, "field");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-declaration.js b/js/src/tests/test262/language/statements/class/elements/static-field-declaration.js
new file mode 100644
index 0000000000..3bdd8ae3e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-declaration.js
@@ -0,0 +1,132 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-declaration.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static fields are defined using DefineField (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for mClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      6. Else, let initValue be undefined.
+      7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+        a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+        b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+      8. If fieldName is a Private Name,
+        a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+      9. Else,
+        a. Assert: IsPropertyKey(fieldName) is true.
+        b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+      10. Return.
+
+---*/
+var computed = 'h';
+
+
+class C {
+  static f = 'test262';
+  static 'g';
+  static 0 = 'bar';
+  static [computed];
+}
+
+let c = new C();
+
+assert.sameValue(c.f, undefined);
+assert.sameValue(c.g, undefined);
+assert.sameValue(c.h, undefined);
+assert.sameValue(c[0], undefined);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, 'f'),
+  "f does not appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, 'g'),
+  "g does not appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, 'h'),
+  "h does not appear as an own property on the C instance"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, 0),
+  "0 does not appear as an own property on the C instance"
+);
+
+verifyProperty(C, 'f', {
+  value: 'test262',
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(C, 'g', {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(C, 0, {
+  value: 'bar',
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+verifyProperty(C, 'h', {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-init-this-inside-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/static-field-init-this-inside-arrow-function.js
new file mode 100644
index 0000000000..e10becfcc2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-init-this-inside-arrow-function.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-init-this-inside-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: this in static field initializers refers to class constructor (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      6. Else, let initValue be undefined.
+      7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+        a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+        b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+      8. If fieldName is a Private Name,
+        a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+      9. Else,
+        a. Assert: IsPropertyKey(fieldName) is true.
+        b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+      10. Return.
+
+---*/
+
+
+class C {
+  static f = () => this;
+}
+
+assert.sameValue(C.f(), C);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-init-with-this.js b/js/src/tests/test262/language/statements/class/elements/static-field-init-with-this.js
new file mode 100644
index 0000000000..17541878f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-init-with-this.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-init-with-this.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static fields initializer has `this` biding (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      6. Else, let initValue be undefined.
+      7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+        a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+        b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+      8. If fieldName is a Private Name,
+        a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+      9. Else,
+        a. Assert: IsPropertyKey(fieldName) is true.
+        b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+      10. Return.
+
+---*/
+
+
+class C {
+  static f = 'test';
+  static g = this.f + '262';
+  static h = eval('this.g') + 'test';
+}
+
+assert.sameValue(C.f, 'test');
+assert.sameValue(C.g, 'test262');
+assert.sameValue(C.h, 'test262test');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-initializer-error.js b/js/src/tests/test262/language/statements/class/elements/static-field-initializer-error.js
new file mode 100644
index 0000000000..e15ee8a192
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-initializer-error.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class evaluation is incomplete when initializer resutls in an abrupt completition
+esid: sec-define-field
+info: |
+  ClassDefinitionEvaluation:
+    ...
+
+    27. Let staticFields be a new empty List.
+    28. For each ClassElement e in order from elements,
+      a. If IsStatic of e is false, then
+      ...
+      b. Else,
+        i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+      c. If field is an abrupt completion, then
+        ...
+      d. If field is not empty,
+        i. If IsStatic of e is false, append field to instanceFields.
+        ii. Otherwise, append field to staticFields.
+
+    34. For each item fieldRecord in order from staticFields,
+      a. Perform ? DefineField(F, field).
+    ...
+
+  DefineField(receiver, fieldRecord)
+    1. Assert: Type(receiver) is Object.
+    2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+    3. Let name be fieldRecord.[[Name]].
+    4. Let initializer be fieldRecord.[[Initializer]].
+    5. If initializer is not empty, then
+      a. Let initValue be ? Call(initializer, receiver).
+    6. Else, let initValue be undefined.
+    7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+      a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+      b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+features: [class-static-fields-public, class]
+---*/
+
+function initThrows() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    static f = initThrows();
+    static g;
+  };
+
+  assert(false, 'this should never execute');
+}, 'static field initializer should throw exception');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-field-redeclaration.js b/js/src/tests/test262/language/statements/class/elements/static-field-redeclaration.js
new file mode 100644
index 0000000000..8dc0da889a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-field-redeclaration.js
@@ -0,0 +1,71 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-field-redeclaration.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static fields can be redeclared (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-fields-public, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassDefinitionEvaluation:
+      ...
+
+      27. Let staticFields be a new empty List.
+      28. For each ClassElement e in order from elements,
+        a. If IsStatic of e is false, then
+        ...
+        b. Else,
+          i. Let field be the result of performing PropertyDefinitionEvaluation for m ClassElementEvaluation for e with arguments F and false.
+        c. If field is an abrupt completion, then
+          ...
+        d. If field is not empty,
+          i. If IsStatic of e is false, append field to instanceFields.
+          ii. Otherwise, append field to staticFields.
+
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+      ...
+
+    DefineField(receiver, fieldRecord)
+      1. Assert: Type(receiver) is Object.
+      2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+      3. Let name be fieldRecord.[[Name]].
+      4. Let initializer be fieldRecord.[[Initializer]].
+      5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+      6. Else, let initValue be undefined.
+      7. If fieldRecord.[[IsAnonymousFunctionDefinition]] is true, then
+        a. Let hasNameProperty be ? HasOwnProperty(initValue, "name").
+        b. If hasNameProperty is false, perform SetFunctionName(initValue, fieldName).
+      8. If fieldName is a Private Name,
+        a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+      9. Else,
+        a. Assert: IsPropertyKey(fieldName) is true.
+        b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+      10. Return.
+
+---*/
+
+
+class C {
+  static f = 'test';
+  static f = this.f + '262';
+  static g() {
+    return 45;
+  };
+  static g = this.g();
+}
+
+assert.sameValue(C.f, 'test262');
+assert.sameValue(C.g, 45);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-fielddefinition-initializer-abrupt-completion.js b/js/src/tests/test262/language/statements/class/elements/static-fielddefinition-initializer-abrupt-completion.js
new file mode 100644
index 0000000000..c5985614d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-fielddefinition-initializer-abrupt-completion.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class construction should error if evaluation of static field initializer errors
+esid: runtime-semantics-class-definition-evaluation
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+  ...
+  27. For each ClassElement e in order from elements
+    a. If IsStatic of e is false, then
+      i. Let fields be the result of performing ClassElementEvaluation
+          for e with arguments proto and false.
+    b. Else,
+      i. Let fields be the result of performing ClassElementEvaluation
+          for e with arguments F and false.
+    c. If fields is an abrupt completion, then
+      i. Set the running execution context's LexicalEnvironment to lex.
+      ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+      iii. Return Completion(status).
+
+features: [class-static-fields-public]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    static x = f();
+  }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-arguments.js
new file mode 100644
index 0000000000..5cd2212101
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-literal-name.template
+/*---
+description: Syntax error if `arguments` used in class field (static literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static x = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-super.js
new file mode 100644
index 0000000000..562c076edc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-literal-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-literal-name.template
+/*---
+description: Syntax error if `super()` used in class field (static literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static x = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-fields-proxy-default-handler-throws.js b/js/src/tests/test262/language/statements/class/elements/static-private-fields-proxy-default-handler-throws.js
new file mode 100644
index 0000000000..8752878264
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-fields-proxy-default-handler-throws.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2018 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-privatefieldget
+description: Static private fields not accessible via default Proxy handler
+info: |
+  1. Assert: P is a Private Name value.
+  2. If O is not an object, throw a TypeError exception.
+  3. Let entry be PrivateFieldFind(P, O).
+  4. If entry is empty, throw a TypeError exception.
+
+features: [class, class-static-fields-private]
+---*/
+
+class C {
+  static #x = 1;
+  static x() {
+    return this.#x;
+  }
+}
+
+var P = new Proxy(C, {});
+
+assert.sameValue(C.x(), 1);
+assert.throws(TypeError, function() {
+  P.x();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..d316074af0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-arrow-function.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-getter-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private getter access inside of an arrow function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static get #f() {
+    return 'Test262';
+  }
+
+  static access() {
+    const arrowFunction = () => {
+      return this.#f;
+    };
+
+    return arrowFunction();
+  }
+}
+
+assert.sameValue(C.access(), 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private getter from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-class.js b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-class.js
new file mode 100644
index 0000000000..5242a5170e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-class.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-getter-access-on-inner-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private getter access inside of an inner class (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static get #f() {
+    return 'Test262';
+  }
+
+  static Inner = class {
+    static access(o) {
+      return o.#f;
+    }
+  }
+}
+
+assert.sameValue(C.Inner.access(C), 'Test262');
+assert.throws(TypeError, function() {
+  C.Inner.access(C.Inner);
+}, 'Accessed static private getter from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-function.js
new file mode 100644
index 0000000000..f1556f68b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-getter-access-on-inner-function.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-getter-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private getter access inside of a nested function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static get #f() {
+    return 'Test262';
+  }
+
+  static access() {
+    const self = this;
+
+    function innerFunction() {
+      return self.#f;
+    }
+
+    return innerFunction();
+  }
+}
+
+assert.sameValue(C.access(), 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private getter from an arbitrary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-getter.js b/js/src/tests/test262/language/statements/class/elements/static-private-getter.js
new file mode 100644
index 0000000000..cf40d3fd0e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-getter.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-getter.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private getter declaration and usage (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    MethodDefinition :
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+      ...
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static get #f() {
+    return 'Test262';
+  }
+
+  static access() {
+    return this.#f;
+  }
+}
+
+assert.sameValue(C.access(), 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private getter from an arbitrary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-arguments.js
new file mode 100644
index 0000000000..30ee50c855
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-private-name.template
+/*---
+description: Syntax error if `arguments` used in class field (static PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #x = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-super.js
new file mode 100644
index 0000000000..114c6d7109
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-private-name.template
+/*---
+description: Syntax error if `super()` used in class field (static PrivateName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #x = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..2145cefe5a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-arrow-function.js
@@ -0,0 +1,44 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-method-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static private method access inside of an arrow function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+          ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static #f() { return 42; }
+  static g() {
+    const arrowFunction = () => {
+      return this.#f();
+    };
+
+    return arrowFunction();
+  }
+
+}
+
+assert.sameValue(C.g(), 42);
+assert.throws(TypeError, function() {
+  C.g.call({});
+}, 'Accessed static private method from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-function.js
new file mode 100644
index 0000000000..7e4d1b3a4a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-method-access-on-inner-function.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-method-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static private method access inside of a nested function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+          ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static #f() { return 42; }
+  static g() {
+    const self = this;
+
+    function innerFunction() {
+      return self.#f();
+    }
+
+    return innerFunction();
+  }
+
+}
+
+assert.sameValue(C.g(), 42);
+assert.throws(TypeError, function() {
+  C.g.call({});
+}, 'Accessed static private method from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-method-and-instance-method-brand-check.js b/js/src/tests/test262/language/statements/class/elements/static-private-method-and-instance-method-brand-check.js
new file mode 100644
index 0000000000..21a112a88c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-method-and-instance-method-brand-check.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-method-and-instance-method-brand-check.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Brand for static private names and instance private names are different (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-methods-private, class]
+flags: [generated]
+info: |
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      32. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] field is proto,
+        a. Set F.[[PrivateBrand]] to proto.
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      ...
+
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static #f() {
+    return 'static';
+  }
+
+  static access() {
+    return this.#f();
+  }
+
+  #instanceMethod() {
+    return 'instance';
+  }
+
+  instanceAccess() {
+    return this.#instanceMethod();
+  }
+}
+
+let c = new C();
+assert.sameValue(C.access(), 'static');
+assert.sameValue(c.instanceAccess(), 'instance');
+
+assert.throws(TypeError, function() {
+  C.access.call(c);
+}, 'Accessed static private method from instance of C');
+
+assert.throws(TypeError, function() {
+  c.instanceAccess.call(C);
+}, 'Accessed instance private method from C');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-method-referenced-from-instance-method.js b/js/src/tests/test262/language/statements/class/elements/static-private-method-referenced-from-instance-method.js
new file mode 100644
index 0000000000..380b6409a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-method-referenced-from-instance-method.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-method-referenced-from-instance-method.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static private method referenced from an instance method (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+          ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static #f() { return 42; }
+  g() {
+    return this.#f();
+  }
+
+}
+
+assert.sameValue(new C().g.call(C), 42);
+assert.throws(TypeError, function() {
+  new C().g();
+}, 'Accessed static private method from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-method-subclass-receiver.js b/js/src/tests/test262/language/statements/class/elements/static-private-method-subclass-receiver.js
new file mode 100644
index 0000000000..cf7c904247
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-method-subclass-receiver.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-method-subclass-receiver.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: Static private methods on the super-class cannot be called with sub-class as the receiver (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+          ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static f() { return this.#g(); }
+  static #g() { return 42; }
+
+}
+
+class D extends C {}
+assert.sameValue(C.f(), 42);
+assert.throws(TypeError, function() {
+    D.f();
+}, 'D does not contain static private method #g');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-arrow-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-arrow-function.js
new file mode 100644
index 0000000000..224f85738b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-arrow-function.js
@@ -0,0 +1,47 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-setter-access-on-inner-arrow-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private setter access inside of an arrow function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static set #f(v) {
+    this._v = v;
+  }
+
+  static access() {
+    const arrowFunction = () => {
+      this.#f = 'Test262';
+    };
+
+    arrowFunction();
+  }
+}
+
+C.access();
+assert.sameValue(C._v, 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private setter from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-class.js b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-class.js
new file mode 100644
index 0000000000..77fcb12d4e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-class.js
@@ -0,0 +1,46 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-setter-access-on-inner-class.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private setter access inside of an inner class (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-public, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static set #f(v) {
+    return this._v = v;
+  }
+
+  static Inner = class {
+    static access(o) {
+      o.#f = 'Test262';
+    }
+  }
+
+}
+
+C.Inner.access(C)
+assert.sameValue(C._v, 'Test262');
+assert.throws(TypeError, function() {
+  C.Inner.access(C.Inner);
+}, 'Accessed static private setter from an object which did not contain it');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-function.js b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-function.js
new file mode 100644
index 0000000000..3781181dd7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-setter-access-on-inner-function.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-setter-access-on-inner-function.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private setter access inside of a nested function (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+        a. Return P.[[Value]].
+      ...
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static set #f(v) {
+    this._v = v;
+  }
+
+  static access() {
+    const self = this;
+
+    function innerFunction() {
+      self.#f = 'Test262';
+    }
+
+    innerFunction();
+  }
+}
+
+C.access();
+assert.sameValue(C._v, 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private setter from an arbitrary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-private-setter.js b/js/src/tests/test262/language/statements/class/elements/static-private-setter.js
new file mode 100644
index 0000000000..c39699206f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-private-setter.js
@@ -0,0 +1,58 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-setter.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: static private setter declaration and usage (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    MethodDefinition :
+      get ClassElementName () { FunctionBody }
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassTail : ClassHeritage { ClassBody }
+      ...
+      33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
+        a. PrivateBrandAdd(F, F).
+      34. For each item fieldRecord in order from staticFields,
+        a. Perform ? DefineField(F, field).
+
+    PrivateFieldGet (P, O)
+      1. Assert: P is a Private Name.
+      2. If O is not an object, throw a TypeError exception.
+      3. If P.[[Kind]] is "field",
+      ...
+      4. Perform ? PrivateBrandCheck(O, P).
+      5. If P.[[Kind]] is "method",
+      ...
+      6. Else,
+        a. Assert: P.[[Kind]] is "accessor".
+        b. If P does not have a [[Get]] field, throw a TypeError exception.
+        c. Let getter be P.[[Get]].
+        d. Return ? Call(getter, O).
+
+    PrivateBrandCheck(O, P)
+      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+        a. Throw a TypeError exception.
+
+---*/
+
+
+class C {
+  static set #f(v) {
+    this._v = v;
+  }
+
+  static access() {
+    this.#f = 'Test262';
+  }
+}
+
+C.access();
+assert.sameValue(C._v, 'Test262');
+assert.throws(TypeError, function() {
+  C.access.call({});
+}, 'Accessed static private setter from an arbitrary object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..9be6b18025
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-string-literal-name.template
+/*---
+description: Syntax error if `arguments` used in class field (static string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static 'x' = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..6cbe221dcc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/static-string-literal-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-static-string-literal-name.template
+/*---
+description: Syntax error if `super()` used in class field (static string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public, class-static-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static 'x' = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-arguments.js
new file mode 100644
index 0000000000..efdb64b913
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-string-literal-name.template
+/*---
+description: Syntax error if `arguments` used in class field (string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  'x' = arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-super.js
new file mode 100644
index 0000000000..d5bc2d2ddb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/string-literal-name-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-string-literal-name.template
+/*---
+description: Syntax error if `super()` used in class field (string literal ClassElementName)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  'x' = super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/super-access-from-arrow-func-on-field.js b/js/src/tests/test262/language/statements/class/elements/super-access-from-arrow-func-on-field.js
new file mode 100644
index 0000000000..39b381e1ea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/super-access-from-arrow-func-on-field.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/super-access-from-arrow-func-on-field.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: super inside arrow functions on field initializer resolves to class' super (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-public, class-static-fields-public, class]
+flags: [generated]
+info: |
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    SuperProperty:
+      super[Expression]
+      super.IdentifierName
+
+---*/
+
+
+class C {
+  func = () => {
+      super.prop = 'test262';
+  }
+
+  static staticFunc = () => {
+      super.staticProp = 'static test262';
+  }
+}
+
+let c = new C();
+c.func();
+assert.sameValue(c.prop, 'test262');
+
+C.staticFunc();
+assert.sameValue(C.staticProp, 'static test262');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-getter.js b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-getter.js
new file mode 100644
index 0000000000..72cb666ec7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-getter.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private getter contains proper HomeObject
+esid: sec-method-definitions-runtime-semantics-classelementevaluation
+info: |
+  MethodDefinition : get ClassElementName () { FunctionBody }
+    1. Let key be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(key).
+    3. If the function code for this MethodDefinition is strict mode code, let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let formalParameterList be an instance of the production FormalParameters:[empty] .
+    6. Let closure be FunctionCreate(Method, formalParameterList, FunctionBody, scope, strict).
+    7. Perform MakeMethod(closure, homeObject).
+    8. Perform SetFunctionName(closure, key, "get").
+    9. If key is a Private Name,
+      a. If key has a [[Kind]] field,
+        i. Assert: key.[[Kind]] is "accessor".
+        ii. Assert: key.[[Brand]] is homeObject.
+        iii. Assert: key does not have a [[Get]] field.
+        iv. Set key.[[Get]] to closure.
+      b. Otherwise,
+        i. Set key.[[Kind]] to "accessor".
+        ii. Set key.[[Brand]] to homeObject.
+        iii. Set key.[[Get]] to closure.
+    10. Else,
+      a. Let desc be the PropertyDescriptor{[[Get]]: closure, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+      b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+features: [class-methods-private, class]
+---*/
+
+class A {
+  method() {
+    return "Test262";
+  }
+}
+
+class C extends A {
+  get #m() {
+    return super.method();
+  }
+
+  access() {
+    return this.#m;
+  }
+}
+
+let c = new C();
+assert.sameValue(c.access(), "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-method.js b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-method.js
new file mode 100644
index 0000000000..df4478828f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-method.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private method contains proper HomeObject
+esid: sec-method-definitions-runtime-semantics-classelementevaluation
+info: |
+  MethodDefinition : ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+    1. Let methodDef be DefineMethod of MethodDefinition with argument homeObject.
+    2. ReturnIfAbrupt(methodDef).
+    3. Perform ? DefineOrdinaryMethod(methodDef.[[Key]], homeObject, methodDef.[[Closure]], _enumerable).
+
+  MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. Let scope be the running execution context's LexicalEnvironment.
+    4. If functionPrototype is present as a parameter, then
+      a. Let kind be Normal.
+      b. Let prototype be functionPrototype.
+    5. Else,
+      a. Let kind be Method.
+      b. Let prototype be the intrinsic object %FunctionPrototype%.
+    6. Let closure be FunctionCreate(kind, UniqueFormalParameters, FunctionBody, scope, prototype).
+    7. Perform MakeMethod(closure, object).
+    8. Set closure.[[SourceText]] to the source text matched by MethodDefinition.
+    9. Return the Record { [[Key]]: propKey, [[Closure]]: closure }.
+features: [class-methods-private, class]
+---*/
+
+class A {
+  method() {
+    return "Test262";
+  }
+}
+
+class C extends A {
+  #m() {
+    return super.method();
+  }
+
+  access(o) {
+    return this.#m.call(o);
+  }
+}
+
+let c = new C();
+assert.sameValue(c.access(c), "Test262");
+
+let o = {};
+assert.sameValue(c.access(o), "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-setter.js b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-setter.js
new file mode 100644
index 0000000000..3a95d15c89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/super-access-inside-a-private-setter.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Private setter contains proper HomeObject
+esid: sec-method-definitions-runtime-semantics-classelementevaluation
+info: |
+  MethodDefinition : set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+    1. Let key be the result of evaluating ClassElementName.
+    2. ReturnIfAbrupt(key).
+    3. If the function code for this MethodDefinition is strict mode code, let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be FunctionCreate(Method, PropertySetParameterList, FunctionBody, scope, strict).
+    6. Perform MakeMethod(closure, homeObject).
+    7. Perform SetFunctionName(closure, key, "set").
+    8. If key is a Private Name,
+      a. If key has a [[Kind]] field,
+        i. Assert: key.[[Kind]] is "accessor".
+        ii. Assert: key.[[Brand]] is homeObject.
+        iii. Assert: key does not have a [[Set]] field.
+        iv. Set key.[[Set]] to closure.
+      b. Otherwise,
+        i. Set key.[[Kind]] to "accessor".
+        ii. Set key.[[Brand]] to homeObject.
+        iii. Set key.[[Set]] to closure.
+    9. Else,
+      a. Let desc be the PropertyDescriptor{[[Set]]: closure, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+      b. Perform ? DefinePropertyOrThrow(homeObject, key, desc).
+features: [class-methods-private, class]
+---*/
+
+class A {
+  method(v) {
+    return v;
+  }
+}
+
+class C extends A {
+  set #m(v) {
+    this._v = super.method(v);
+  }
+
+  access() {
+    return this.#m = "Test262";
+  }
+}
+
+let c = new C();
+c.access();
+assert.sameValue(c._v, "Test262");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/super-fielddefinition-initializer-abrupt-completion.js b/js/src/tests/test262/language/statements/class/elements/super-fielddefinition-initializer-abrupt-completion.js
new file mode 100644
index 0000000000..f19282782f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/super-fielddefinition-initializer-abrupt-completion.js
@@ -0,0 +1,58 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class construction should error if evaluation of field initializer in super errors
+esid: sec-super-keyword-runtime-semantics-evaluation
+info: |
+  Runtime Semantics: Evaluation
+    SuperCall : superArguments
+      1. Let newTarget be GetNewTarget().
+      2. If newTarget is undefined, throw a ReferenceError exception.
+      3. Let func be ? GetSuperConstructor().
+      4. Let argList be ArgumentListEvaluation of Arguments.
+      5. ReturnIfAbrupt(argList).
+      6. Let result be ? Construct(func, argList, newTarget).
+      7. Let thisER be GetThisEnvironment( ).
+      8. Let F be thisER.[[FunctionObject]].
+      9. Assert: F is an ECMAScript function object.
+      10. Perform ? InitializeInstanceFields(result, F).
+
+  InitializeInstanceFields ( O, constructor )
+    1. Assert: Type ( O ) is Object.
+    2. Assert: Assert constructor is an ECMAScript function object.
+    3. Let fieldRecords be the value of constructor's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. If fieldRecord.[[static]] is false, then
+        i. Perform ? DefineField(O, fieldRecord).
+
+  DefineField(receiver, fieldRecord)
+    1. Assert: Type(receiver) is Object.
+    2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+    3. Let fieldName be fieldRecord.[[Name]].
+    4. Let initializer be fieldRecord.[[Initializer]].
+    5. If initializer is not empty, then
+        a.Let initValue be ? Call(initializer, receiver).
+
+features: [class, class-fields-public]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+class A {
+  x = f();
+}
+
+class C extends A {
+  constructor() {
+    super();
+  }
+}
+
+assert.throws(Test262Error, function() {
+  new C();
+})
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/browser.js b/js/src/tests/test262/language/statements/class/elements/syntax/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/browser.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-arrow-heritage.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-arrow-heritage.js
new file mode 100644
index 0000000000..725572fa81
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-arrow-heritage.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/class-heritage-array-literal-arrow-heritage.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if an array literal evaluated on ClassHeritage uses a private name. (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassTail : ClassHeritage { ClassBody }
+
+    ClassHeritage :
+        extends LeftHandSideExpression
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends () => {} {
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-async-arrow-heritage.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-async-arrow-heritage.js
new file mode 100644
index 0000000000..64b65965ed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/class-heritage-array-literal-async-arrow-heritage.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/class-heritage-array-literal-async-arrow-heritage.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if an array literal evaluated on ClassHeritage uses a private name. (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassTail : ClassHeritage { ClassBody }
+
+    ClassHeritage :
+        extends LeftHandSideExpression
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends async () => {} {
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/browser.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..048f87ae90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..f1e82d4242
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..c01c57926d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..b1680d7470
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..8bc33c89ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..792f66b899
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-method.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..3a2f9fc0ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#m);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..adcb626c91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-call-expression-privatename.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete (g().#x);
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..d95a5b6e45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..76c28d6d14
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..6716eb230d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..6e0de9f02e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..34b4efadd9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..2cfddf0c62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-method.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m
+);
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..0b939313b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#m);
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..c532a4fa2d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-covered-err-delete-member-expression-privatename.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in field, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete (this.#x);
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..375e2833c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..b339bee24d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..4d5768d06f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..65f6b800af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..e06dbede59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..8de8b86e6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-method.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..a4b681b2c0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#m;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..23398a4b22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-call-expression-privatename.js
@@ -0,0 +1,39 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete g().#x;
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..ff62273759
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..443d044fe8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..957c608694
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..9d3045d1fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..841b0e7a85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..75017d0272
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-method.js
@@ -0,0 +1,38 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m
+;
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..b36c9bfe9d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#m;
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..f2abd8f4df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-err-delete-member-expression-privatename.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in field)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete this.#x;
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..b4cc315b32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..439cc8f1b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..af61de31e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..793a100152
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..221b83ffa4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..52f0c2e2bb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-method.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..4ef6ac94fa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#m));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..5bcb6fb949
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-call-expression-privatename.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  g = this.f;
+  x = delete ((g().#x));
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..eaeb4e0774
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..4db71f1625
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..ef92e690b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..22ad4c627c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..f2fce899b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..eaffab2464
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-method.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m
+));
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..a8c4055cb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#m));
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..e8279b2f45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/field-delete-twice-covered-err-delete-member-expression-privatename.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-field-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in field, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  
+  x = delete ((this.#x));
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..2c5e260919
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..851b778f9e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..8c8f1c8757
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..cb2f115354
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..a43392bdfa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..e72c2385fc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-method.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..6d0fba7c35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#m);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..be6e92d1f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-call-expression-privatename.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete (g().#x);
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..64dc052956
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..d9459ce491
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..21a539de83
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..a5094182f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..9b60741fed
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..dcb09ae291
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-method.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m
+);
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..ef2bbcd031
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#m);
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..07c1c079c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-covered-err-delete-member-expression-privatename.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in method, covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete (this.#x);
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..53d75c453b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..6f2aa7fd92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..7e393a5f54
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..d9e120e502
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..93c7464d97
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..c42ec89007
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-method.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..195ace594a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#m;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..3b157abf71
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-call-expression-privatename.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete g().#x;
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..145d32372d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..478d90b58e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..ed9a763511
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..235ef7cafe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..2fef15be78
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..baf9e90077
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-method.js
@@ -0,0 +1,42 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m
+;
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..eb8974ebbd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#m;
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..452281c26f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-err-delete-member-expression-privatename.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in method)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete this.#x;
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..92d223ff91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-get.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor get method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class-fields-public, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..8ff0ddbe26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-accessor-set.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName accessor set method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private, class-methods-private, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..3416671362
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async-gen.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async generator (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async.js
new file mode 100644
index 0000000000..159cc68a91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-async.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName async method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-gen.js
new file mode 100644
index 0000000000..7b67503b9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method-gen.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName generator (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method.js
new file mode 100644
index 0000000000..e42ca69e69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-method.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private ordinary method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-no-reference.js
new file mode 100644
index 0000000000..894e6dec11
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-private-no-reference.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName no referencing class element (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#m));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-privatename.js
new file mode 100644
index 0000000000..3369ed7036
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-call-expression-privatename.js
@@ -0,0 +1,49 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-call-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to CallExpression.PrivateName private field (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    var g = this.f;
+    delete ((g().#x));
+  }
+
+  f() {
+  return this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js
new file mode 100644
index 0000000000..f2d177b212
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-get.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-get.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor get method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js
new file mode 100644
index 0000000000..5dc1a2ce6b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-accessor-set.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-accessor-set.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName accessor set method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js
new file mode 100644
index 0000000000..587b65efaa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async-gen.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async generator (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-iteration, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  async *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async.js
new file mode 100644
index 0000000000..f76f8015b9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-async.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-async.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName async method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, async-functions, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-gen.js
new file mode 100644
index 0000000000..573901042b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method-gen.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method-gen.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName generator (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, generators, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  *#m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method.js
new file mode 100644
index 0000000000..e5467a13e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-method.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-method.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private ordinary method (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class-methods-private, class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m
+));
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-no-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-no-reference.js
new file mode 100644
index 0000000000..568d177eaf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-private-no-reference.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-private-no-reference.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName no referencing class element (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#m));
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-privatename.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-privatename.js
new file mode 100644
index 0000000000..60ba271d21
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/method-delete-twice-covered-err-delete-member-expression-privatename.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/err-delete-member-expression-privatename.case
+// - src/class-elements/delete-error/cls-decl-method-delete-twice-covered.template
+/*---
+description: It's a SyntaxError if delete operator is applied to MemberExpression.PrivateName private field (in method, recursively covered)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-private]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    This file must never use the onlyStrict flag as the strict mode should always
+    be observed inside class bodies.
+
+    Static Semantics: Early Errors
+
+      UnaryExpression : delete UnaryExpression
+
+      It is a Syntax Error if the UnaryExpression is contained in strict mode
+      code and the derived UnaryExpression is
+      PrimaryExpression : IdentifierReference ,
+      MemberExpression : MemberExpression.PrivateName , or
+      CallExpression : CallExpression.PrivateName .
+
+      It is a Syntax Error if the derived UnaryExpression is
+      PrimaryExpression : CoverParenthesizedExpressionAndArrowParameterList and
+      CoverParenthesizedExpressionAndArrowParameterList ultimately derives a
+      phrase that, if used in place of UnaryExpression, would produce a
+      Syntax Error according to these rules. This rule is recursively applied.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  x() {
+    
+    delete ((this.#x));
+  }
+
+  
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/shell.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/delete/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-class-body-ctor-duplicate.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-class-body-ctor-duplicate.js
new file mode 100644
index 0000000000..db30575dd6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-class-body-ctor-duplicate.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-class-body-ctor-duplicate.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It is a SyntaxError if the class body has more than one constructor (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrototypePropertyNameList of ClassElementList contains more
+        than one occurrence of "constructor".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  constructor() {}
+  constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-ctor-super-no-heritage.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-ctor-super-no-heritage.js
new file mode 100644
index 0000000000..70fbce6ef2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-ctor-super-no-heritage.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-ctor-super-no-heritage.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It is a SyntaxError if class has no heritage and constructor has a direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassTail : ClassHeritageopt { ClassBody }
+
+    It is a Syntax Error if ClassHeritage is not present and the following algorithm evaluates to true:
+      1. Let constructor be ConstructorMethod of ClassBody.
+      2. If constructor is empty, return false.
+      3. Return HasDirectSuper of constructor.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  constructor() {
+    super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-ues-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-ues-error.js
new file mode 100644
index 0000000000..8da16c9904
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-ues-error.js
@@ -0,0 +1,71 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-identifier-invalid-ues-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Invalid FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  \u0000;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwj-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwj-error.js
new file mode 100644
index 0000000000..6b445d097d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwj-error.js
@@ -0,0 +1,71 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-identifier-invalid-zwj-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Invalid FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  \u200D_ZWJ;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwnj-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwnj-error.js
new file mode 100644
index 0000000000..da49b2eddb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-field-identifier-invalid-zwnj-error.js
@@ -0,0 +1,71 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-identifier-invalid-zwnj-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Invalid FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  \u200C_ZWNJ;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-fields-same-line-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-fields-same-line-error.js
new file mode 100644
index 0000000000..be7608def1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-fields-same-line-error.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-fields-same-line-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: SyntaxError (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x y
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-array-literal.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-array-literal.js
new file mode 100644
index 0000000000..de14f96cd7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-array-literal.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage-array-literal.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if an array literal evaluated on ClassHeritage uses a private name. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends (o) => [o.#foo]
+{
+  #foo;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-chained-usage.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-chained-usage.js
new file mode 100644
index 0000000000..94986520f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-chained-usage.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage-chained-usage.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class expression evaluated on ClassHeritage uses an private name declared on subclass. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends class extends class extends class { x = this.#foo; } { #foo; x = this.#bar; } { #bar; x = this.#fuz; }
+{
+  #fuz;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-function-expression.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-function-expression.js
new file mode 100644
index 0000000000..2d65e00933
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-function-expression.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage-function-expression.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a function expression evaluated on ClassHeritage uses a private name. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends function() { x = this.#foo; }
+{
+  #foo;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-obj-literal.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-obj-literal.js
new file mode 100644
index 0000000000..014716a774
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-obj-literal.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage-obj-literal.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a object literal evaluated on ClassHeritage uses a private name. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends (o) => {x: o.#foo}
+{
+  #foo;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-recursive.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-recursive.js
new file mode 100644
index 0000000000..0b8435a1a0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage-recursive.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage-recursive.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class expression evaluated on ClassHeritage of a ClassHeritage uses an undeclared private name. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends class extends class { x = this.#foo; } {}
+{
+  #foo;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage.js
new file mode 100644
index 0000000000..b981b75d32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-environment-on-class-heritage.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-environment-on-class-heritage.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class expression evaluated on ClassHeritage uses an undeclared private name. (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage { ClassBody }
+        ...
+        5. Let outerPrivateEnvironment be the PrivateEnvironment of the running execution context.
+        6. Let classPrivateEnvironment be NewDeclarativeEnvironment(outerPrivateEnvironment).
+        7. Let classPrivateEnvRec be classPrivateEnvironment's EnvironmentRecord.
+        8. If ClassBodyopt is present, then
+            a. For each element dn of the PrivateBoundIdentifiers of ClassBodyopt,
+              i. Perform classPrivateEnvRec.CreateImmutableBinding(dn, true).
+        9. If ClassHeritageopt is not present, then
+            a. Let protoParent be the intrinsic object %ObjectPrototype%.
+            b. Let constructorParent be the intrinsic object %FunctionPrototype%.
+        10. Else,
+            a. Set the running execution context's LexicalEnvironment to classScope.
+            b. NOTE: The running execution context's PrivateEnvironment is outerPrivateEnvironment when evaluating ClassHeritage.
+        ...
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends class { x = this.#foo; }
+{
+  #foo;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-on-object-destructuring.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-on-object-destructuring.js
new file mode 100644
index 0000000000..8254217109
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-on-object-destructuring.js
@@ -0,0 +1,33 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-field-on-object-destructuring.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Acessing private field from object destructuring pattern is not a valid syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, destructuring-binding, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ObjectAssignmentPattern[Yield, Await]:
+       {}
+       {AssignmentRestProperty[?Yield, ?Await]}
+       {AssignmentPropertyList[?Yield, ?Await]}
+       {AssignmentPropertyList[?Yield, ?Await],AssignmentRestProperty[?Yield, ?Await]opt}
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x = 1;
+
+  destructureX() {
+    const { #x: x } = this;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-super-access.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-super-access.js
new file mode 100644
index 0000000000..e690edec34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-private-field-super-access.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-field-super-access.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Acessing private field from super is not a valid syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    MemberExpression[Yield]:
+      MemberExpression[?Yield].PrivateName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m = function() { return 'test262'; };
+
+  Child = class extends C {
+    access() {
+      return super.#m;
+    }
+
+    method() {
+      return super.#m();
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async-gen.js
new file mode 100644
index 0000000000..2e03782e03
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async-gen.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-async-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private async generator and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+      It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  async * #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async.js
new file mode 100644
index 0000000000..17162a0fa1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-async.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-async.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private async function and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+      It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  async #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-gen.js
new file mode 100644
index 0000000000..446d1695c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-gen.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private generator and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+      It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  * #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-field.js
new file mode 100644
index 0000000000..a8f957f57a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-field.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-get-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private getter and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  get #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-get.js
new file mode 100644
index 0000000000..e9267a0cb9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-get-get.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-get-get.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains multiple private getters with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  get #m() {}
+  get #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-field.js
new file mode 100644
index 0000000000..063ae79cf2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-field.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private method and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-get.js
new file mode 100644
index 0000000000..e7ceedf914
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-get.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-get.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private method and a private getter with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  get #m() {}
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-meth.js
new file mode 100644
index 0000000000..9b67e895f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-meth.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains multiple private methods with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m() {}
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-set.js
new file mode 100644
index 0000000000..732c8f0717
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-set.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-set.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private method and a private setter with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  set #m(_) {}
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticfield.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticfield.js
new file mode 100644
index 0000000000..2a4f444bb7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticfield.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-staticfield.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private method and a private static field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-static-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #m;
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticmeth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticmeth.js
new file mode 100644
index 0000000000..c505a7eac5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-meth-staticmeth.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-staticmeth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private method and a private static method with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #m() {}
+  #m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js
new file mode 100644
index 0000000000..42710bd0d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-set-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private setter and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  set #m(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-set.js
new file mode 100644
index 0000000000..209cf3c7be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-set.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-set-set.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains multiple private setters with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  set #m(_) {}
+  set #m(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-constructor.js
new file mode 100644
index 0000000000..2662c8dc9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Private Fields cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #constructor
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-error.js
new file mode 100644
index 0000000000..1dd4589a4a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-error.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigial and IdentifierName (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  # x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-ues.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-ues.js
new file mode 100644
index 0000000000..a30cc3819d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-ues.js
@@ -0,0 +1,65 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-invalid-ues.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Valid PrivateName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #\u0000;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwj-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwj-error.js
new file mode 100644
index 0000000000..03d1346bc9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwj-error.js
@@ -0,0 +1,66 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-invalid-zwj-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Valid PrivateName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #\u200D_ZWJ;
+
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwnj-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwnj-error.js
new file mode 100644
index 0000000000..d08d92b990
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-identifier-invalid-zwnj-error.js
@@ -0,0 +1,66 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-invalid-zwnj-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Valid PrivateName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #\u200C_ZWNJ;
+
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-in-computed-property-missing.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-in-computed-property-missing.js
new file mode 100644
index 0000000000..ea4682b234
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-in-computed-property-missing.js
@@ -0,0 +1,53 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-in-computed-property-missing.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Use of undeclared PrivateName in ComputedProperty is a syntax error (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class-fields-public, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElementName:
+      PropertyName
+      PrivateIdentifier
+
+    PropertyName:
+      LiteralPropertyName
+      ComputedPropertyName
+
+    ComputedPropertyName:
+      [ AssignmentExpression ]
+
+    AssignmentExpression ... MemberExpression
+
+    MemberExpression:
+      MemberExpression . PrivateName
+
+    Static Semantics: AllPrivateIdentifiersValid
+      AllPrivateIdentifiersValid is an abstract operation which takes names as an argument.
+
+      MemberExpression : MemberExpression . PrivateIdentifier
+        1. If StringValue of PrivateIdentifier is in names, return true.
+        2. Return false.
+
+      ClassBody : ClassElementList
+        1. Let newNames be the concatenation of names with PrivateBoundIdentifiers of ClassBody.
+        2. Return AllPrivateIdentifiersValid of ClassElementList with the argument newNames.
+
+    Static Semantics: Early Errors
+
+    ScriptBody : StatementList
+      It is a Syntax Error if AllPrivateIdentifiersValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  [this.#f] = 'Test262'
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-get-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-get-meth.js
new file mode 100644
index 0000000000..cff10054a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-get-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-accessor-get-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName () (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  get # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-set-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-set-meth.js
new file mode 100644
index 0000000000..0868afc3c9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-accessor-set-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-accessor-set-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Accessor set Method) (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  set # m(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-gen-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-gen-meth.js
new file mode 100644
index 0000000000..0eb87b2265
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-gen-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-async-gen-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Async Generator Method) (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async * # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-meth.js
new file mode 100644
index 0000000000..4faf4f22df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-async-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-async-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Async Method) (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-call-expr.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-call-expr.js
new file mode 100644
index 0000000000..a458dfd915
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-call-expr.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-call-expr.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (CallExpression) (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    MemberExpression :
+      MemberExpression . PrivateName
+
+    CallExpression :
+      CallExpression . PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+
+  f() {
+    return this;
+  }
+
+  m() {
+    this.f().# x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field-init.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field-init.js
new file mode 100644
index 0000000000..4dc6ea1095
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field-init.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-field-init.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Field with Initializer) (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  # x = 1;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field.js
new file mode 100644
index 0000000000..ca62d39397
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-field.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Field) (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  # x;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-gen-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-gen-meth.js
new file mode 100644
index 0000000000..d16e23ef6f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-gen-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-gen-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Generator Method) (class declaration)
+esid: prod-ClassElement
+features: [generators, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  * # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-member-expr.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-member-expr.js
new file mode 100644
index 0000000000..34dd6ab17d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-member-expr.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-member-expr.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (MemberExpression) (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    MemberExpression :
+      MemberExpression . PrivateName
+
+    CallExpression :
+      CallExpression . PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x;
+  m() {
+    this.# x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-meth.case.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-meth.case.js
new file mode 100644
index 0000000000..b43126fdf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-meth.case.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-meth.case.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Method) (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-get-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-get-meth.js
new file mode 100644
index 0000000000..baf73f5c4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-get-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-accessor-get-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Accessor get Method) (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static get # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-set-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-set-meth.js
new file mode 100644
index 0000000000..1bdb780ff9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-accessor-set-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-accessor-set-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Accessor set Method) (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static set # m(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-gen-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-gen-meth.js
new file mode 100644
index 0000000000..dba900b549
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-gen-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-async-gen-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Async Generator Method) (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async * # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-meth.js
new file mode 100644
index 0000000000..9f6173efa6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-async-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-async-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Async Method) (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field-init.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field-init.js
new file mode 100644
index 0000000000..0ad5d4d5ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field-init.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-field-init.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Field with Initializer) (class declaration)
+esid: prod-ClassElement
+features: [class-static-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static # x = 1;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field.js
new file mode 100644
index 0000000000..eb8f843799
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-field.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Field) (class declaration)
+esid: prod-ClassElement
+features: [class-static-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static # x;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-gen-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-gen-meth.js
new file mode 100644
index 0000000000..54b6ecabcc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-gen-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-gen-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Generator Method) (class declaration)
+esid: prod-ClassElement
+features: [generators, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static * # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-meth.js
new file mode 100644
index 0000000000..36eeb8909e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatename-whitespace-error-static-meth.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-whitespace-error-static-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: No space allowed between sigil and IdentifierName (Static Method) (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Updated Productions
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static # m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatenames-same-line-error.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatenames-same-line-error.js
new file mode 100644
index 0000000000..c8864ba6d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatenames-same-line-error.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatenames-same-line-error.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: SyntaxError (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #x #y
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async-gen.js
new file mode 100644
index 0000000000..aab8077de5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async-gen.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-async-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Async Generator Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  async * method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async.js
new file mode 100644
index 0000000000..747a8d620c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-async.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-async.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Async Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  async method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-gen.js
new file mode 100644
index 0000000000..99f1e7063c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-gen.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Generator Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  * method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-get.js
new file mode 100644
index 0000000000..a048d184b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-get.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-get.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Accessor get Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  get method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-method.js
new file mode 100644
index 0000000000..0875eaebee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-method.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-method.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async-gen.js
new file mode 100644
index 0000000000..3e917f35d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async-gen.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-private-async-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Private Async Generators Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  async * #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async.js
new file mode 100644
index 0000000000..fc85b76c65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-async.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-private-async.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Private Async Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  async #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-gen.js
new file mode 100644
index 0000000000..fedbf4f537
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-gen.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-private-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Private Generators Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [generators, class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  * #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-method.js
new file mode 100644
index 0000000000..225be8c596
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-private-method.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-private-method.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Private Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-set.js
new file mode 100644
index 0000000000..61e1a5822d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-contains-super-set.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-contains-super-set.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Accessor set Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  set method(_) {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-gen.js
new file mode 100644
index 0000000000..dd194f37ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-gen.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-ctor-async-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Async Generator Methods cannot be named "constructor" (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async * constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-meth.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-meth.js
new file mode 100644
index 0000000000..060b9ba43b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-async-meth.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-ctor-async-meth.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Async Methods cannot be named "constructor" (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-gen.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-gen.js
new file mode 100644
index 0000000000..450de53c77
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-gen.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-ctor-gen.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Generator Methods cannot be named "constructor" (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  * constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-get.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-get.js
new file mode 100644
index 0000000000..00c65e6241
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-get.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-ctor-get.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Accessor get Methods cannot be named "constructor" (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  get constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-set.js
new file mode 100644
index 0000000000..8f256e51c3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-special-meth-ctor-set.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-meth-ctor-set.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Accessor set Methods cannot be named "constructor" (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  set constructor(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-prototype.js
new file mode 100644
index 0000000000..2441d89e52
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-async-gen-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Generator Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async * prototype() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-super.js
new file mode 100644
index 0000000000..25c654dfb0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-gen-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-async-gen-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Generator Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static async * method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-prototype.js
new file mode 100644
index 0000000000..dc9adf1f87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-async-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async prototype() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-super.js
new file mode 100644
index 0000000000..04d2fce7c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-async-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-async-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static async method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-prototype.js
new file mode 100644
index 0000000000..9b9c8652eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-gen-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Generator Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static * prototype() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-super.js
new file mode 100644
index 0000000000..d24645e094
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-gen-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-gen-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Generator Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static * method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-prototype.js
new file mode 100644
index 0000000000..bec83f9f53
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-get-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Accessor get Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static get prototype() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-super.js
new file mode 100644
index 0000000000..9512bc196d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-get-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-get-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Accessor get Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static get method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-prototype.js
new file mode 100644
index 0000000000..1266ed80d5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static prototype() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-super.js
new file mode 100644
index 0000000000..8ae98066f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-constructor.js
new file mode 100644
index 0000000000..758ef67cb1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-gen-meth-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Generator Private Methods cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async * #constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-super.js
new file mode 100644
index 0000000000..19b6d5b5d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-gen-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-gen-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Generator Private Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static async * #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-constructor.js
new file mode 100644
index 0000000000..da9f303bc8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-meth-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Private Methods cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static async #constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-super.js
new file mode 100644
index 0000000000..cf74261edd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-async-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Async Private Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static async #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-constructor.js
new file mode 100644
index 0000000000..4f5d06c598
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-gen-meth-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Generator Private Methods cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [generators, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static * #constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-super.js
new file mode 100644
index 0000000000..e325b10007
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-gen-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-gen-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Generator Private Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [generators, class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static * #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-constructor.js
new file mode 100644
index 0000000000..e1631c7cf4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-meth-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Private Methods cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #constructor() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-super.js
new file mode 100644
index 0000000000..9518ab56ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-private-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Private Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static #method() {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-privatename-constructor.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-privatename-constructor.js
new file mode 100644
index 0000000000..5384df5dfe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-privatename-constructor.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-privatename-constructor.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Private Fields cannot be named constructor (class declaration)
+esid: prod-ClassElement
+features: [class-static-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElementName : PrivateName ;
+        It is a Syntax Error if StringValue of PrivateName is "#constructor"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static #constructor
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-prototype.js
new file mode 100644
index 0000000000..24c099802d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-prototype.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-set-meth-prototype.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Accessor set Methods cannot be named prototype (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  static set prototype(_) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-super.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-super.js
new file mode 100644
index 0000000000..66475a758c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-static-set-meth-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-set-meth-super.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: Static Accessor set Methods cannot contain direct super (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends Function{
+  static set method(_) {
+      super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/browser.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-bad-reference.js
new file mode 100644
index 0000000000..40c53ece98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = (() => {})().#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-this.js
new file mode 100644
index 0000000000..68341532c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-call-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = (() => this)().#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-bad-reference.js
new file mode 100644
index 0000000000..615c5a91d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-fn.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, function in class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = function() { (() => {})().#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-this.js
new file mode 100644
index 0000000000..953d7c6f8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-call-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-fn.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, function in class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = function() { (() => this)().#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-bad-reference.js
new file mode 100644
index 0000000000..060ba0152f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-fn.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, function in class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = function() { something.#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-this.js
new file mode 100644
index 0000000000..c2852bb8a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-fn-member-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-fn.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, function in class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = function() { this.#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-bad-reference.js
new file mode 100644
index 0000000000..4db6d17b25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = something.#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-this.js
new file mode 100644
index 0000000000..cec95a1460
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/field-init-member-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  f = this.#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-bad-reference.js
new file mode 100644
index 0000000000..06d1a91584
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-bad-reference.js
@@ -0,0 +1,58 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-heritage.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  f = (() => {})().#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-this.js
new file mode 100644
index 0000000000..483a835d70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-call-expression-this.js
@@ -0,0 +1,58 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-heritage.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  f = (() => this)().#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-bad-reference.js
new file mode 100644
index 0000000000..dce5883462
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-bad-reference.js
@@ -0,0 +1,58 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-heritage.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  f = something.#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-this.js
new file mode 100644
index 0000000000..fb8dceaf2f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/fields-init-heritage-member-expression-this.js
@@ -0,0 +1,58 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-field-initializer-heritage.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, class field initializer in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  f = this.#x
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-bad-reference.js
new file mode 100644
index 0000000000..a3b8d6b0f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() { (() => {})().#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-this.js
new file mode 100644
index 0000000000..6596ef5dc0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-call-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() { (() => this)().#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-bad-reference.js
new file mode 100644
index 0000000000..7296cac6a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-bad-reference.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method-fn.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, inner function in method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    function fn() { (() => {})().#x }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-this.js
new file mode 100644
index 0000000000..13559da5b6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-call-expression-this.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method-fn.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, inner function in method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    function fn() { (() => this)().#x }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-bad-reference.js
new file mode 100644
index 0000000000..023631b29a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-bad-reference.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method-fn.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, inner function in method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    function fn() { something.#x }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-this.js
new file mode 100644
index 0000000000..7ea61ba52a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-fn-member-expression-this.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method-fn.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, inner function in method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    function fn() { this.#x }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-bad-reference.js
new file mode 100644
index 0000000000..e43b5446e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-bad-reference.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method-heritage.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  m() {
+    (() => {})().#x
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-this.js
new file mode 100644
index 0000000000..ce7669e83f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-call-expression-this.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method-heritage.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  m() {
+    (() => this)().#x
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-bad-reference.js
new file mode 100644
index 0000000000..0eeb130e09
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-bad-reference.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method-heritage.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  m() {
+    something.#x
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-this.js
new file mode 100644
index 0000000000..dea9d1d473
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-heritage-member-expression-this.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method-heritage.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class Parent {
+  #x = 42;
+}
+
+class C extends Parent {
+  m() {
+    this.#x
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-bad-reference.js
new file mode 100644
index 0000000000..bae36e873a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-bad-reference.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-method.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() { something.#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-this.js
new file mode 100644
index 0000000000..baf7573389
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-member-expression-this.js
@@ -0,0 +1,43 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-method.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, method in class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() { this.#x }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-bad-reference.js
new file mode 100644
index 0000000000..b66bdcf9fd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-bad-reference.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-outter-method.template
+/*---
+description: bad reference in call expression (Invalid private names should throw a SyntaxError, method in outter class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    class Outter {
+      #x = 42;
+    }
+
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-this.js
new file mode 100644
index 0000000000..7d989a3e74
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-call-expression-this.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/call-expression-this.case
+// - src/invalid-private-names/default/cls-decl-outter-method.template
+/*---
+description: this evaluated in call expression (Invalid private names should throw a SyntaxError, method in outter class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    class Outter {
+      #x = 42;
+    }
+
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-bad-reference.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-bad-reference.js
new file mode 100644
index 0000000000..8c6ffeb17a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-bad-reference.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-bad-reference.case
+// - src/invalid-private-names/default/cls-decl-outter-method.template
+/*---
+description: bad reference in member expression (Invalid private names should throw a SyntaxError, method in outter class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    class Outter {
+      #x = 42;
+    }
+
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-this.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-this.js
new file mode 100644
index 0000000000..41926b597c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/method-outter-member-expression-this.js
@@ -0,0 +1,59 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/invalid-private-names/member-expression-this.case
+// - src/invalid-private-names/default/cls-decl-outter-method.template
+/*---
+description: this reference in member expression (Invalid private names should throw a SyntaxError, method in outter class declaration)
+esid: sec-static-semantics-early-errors
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ScriptBody:StatementList
+      It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List
+      as an argument is false unless the source code is eval code that is being
+      processed by a direct eval.
+
+    ModuleBody:ModuleItemList
+      It is a Syntax Error if AllPrivateNamesValid of ModuleItemList with an empty List
+      as an argument is false.
+
+    Static Semantics: AllPrivateNamesValid
+
+    ClassBody : ClassElementList
+    1. Let newNames be the concatenation of names with PrivateBoundNames of ClassBody.
+    2. Return AllPrivateNamesValid of ClassElementList with the argument newNames.
+
+    For all other grammatical productions, recurse on subexpressions/substatements,
+    passing in the names of the caller. If all pieces return true, then return true.
+    If any returns false, return false.
+
+
+    Static Semantics: AllPrivateNamesValid
+
+    MemberExpression : MemberExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+    CallExpression : CallExpression . PrivateName
+
+    1. If StringValue of PrivateName is in names, return true.
+    2. Return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  m() {
+    class Outter {
+      #x = 42;
+    }
+
+    this.#x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/shell.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/invalid-names/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-generator-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-generator-cannot-escape-token.js
new file mode 100644
index 0000000000..f152b5758b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-generator-cannot-escape-token.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-async-generator-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private async generator cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, async-iteration, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName::
+      # IdentifierName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async * \u0023m() { return 42; }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-method-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-method-cannot-escape-token.js
new file mode 100644
index 0000000000..cd8caf5df0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-async-method-cannot-escape-token.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-async-method-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private async method cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, async-functions, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName::
+      # IdentifierName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  async \u0023m() { return 42; }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-call-exp-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-call-exp-cannot-escape-token.js
new file mode 100644
index 0000000000..b949e50764
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-call-exp-cannot-escape-token.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-call-exp-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private reference cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName ::
+      # IdentifierName
+
+    MemberExpression :
+      MemberExpression . PrivateName
+
+    CallExpression :
+      CallExpression . PrivateName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  method() {
+    foo().\u0023field;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-field-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-field-cannot-escape-token.js
new file mode 100644
index 0000000000..8be2cdca1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-field-cannot-escape-token.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private field cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName::
+      # IdentifierName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  \u0023field;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-generator-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-generator-cannot-escape-token.js
new file mode 100644
index 0000000000..facd9e48c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-generator-cannot-escape-token.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-generator-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private generator cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, generators, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName::
+      # IdentifierName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  * \u0023m() { return 42; }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-member-exp-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-member-exp-cannot-escape-token.js
new file mode 100644
index 0000000000..61d2b6282c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-member-exp-cannot-escape-token.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-member-exp-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private reference cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName ::
+      # IdentifierName
+
+    MemberExpression :
+      MemberExpression . PrivateName
+
+    CallExpression :
+      CallExpression . PrivateName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  method() {
+    this.\u0023field;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-method-cannot-escape-token.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-method-cannot-escape-token.js
new file mode 100644
index 0000000000..8084f90cc1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/private-method-cannot-escape-token.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-cannot-escape-token.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: The pound signal in the private method cannot be escaped (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    PrivateName::
+      # IdentifierName
+
+    U+0023 is the escape sequence for #
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  \u0023m() { return 42; }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/shell.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/super-private-access-invalid.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/super-private-access-invalid.js
new file mode 100644
index 0000000000..dffad30511
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/super-private-access-invalid.js
@@ -0,0 +1,37 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/super-private-access-invalid.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It is syntax error if PrivateName IdentifierName is accessed on SuperProperty (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    SuperProperty:
+      super[Expression]
+      super.IdentifierName
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C extends B
+{
+  #x() {}
+
+  method() {
+    super.#x();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/shell.js b/js/src/tests/test262/language/statements/class/elements/syntax/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/browser.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/browser.js
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-class-body-ctor-no-heritage.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-class-body-ctor-no-heritage.js
new file mode 100644
index 0000000000..fdf55541d9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-class-body-ctor-no-heritage.js
@@ -0,0 +1,24 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-class-body-ctor-no-heritage.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: A constructor is valid without a super call in the constructor and heritage (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+info: |
+    ClassTail : ClassHeritageopt { ClassBody }
+
+    It is a Syntax Error if ClassHeritage is not present and the following algorithm evaluates to true:
+      1. Let constructor be ConstructorMethod of ClassBody.
+      2. If constructor is empty, return false.
+      3. Return HasDirectSuper of constructor.
+
+---*/
+
+
+class C {
+  constructor() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-accessor.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-accessor.js
new file mode 100644
index 0000000000..eafce8744d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-accessor.js
@@ -0,0 +1,27 @@
+// |reftest| skip -- decorators is not supported
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-accessor.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid accessor FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [decorators, class]
+flags: [generated]
+info: |
+    FieldDefinition[Yield, Await] :
+      ClassElementName[?Yield, ?Await] Initializer[+In, ?Yield, ?Await]opt
+      accessor [no LineTerminator here] ClassElementName[?Yield, ?Await] Initializer[+In, ?Yield, ?Await]opt
+
+---*/
+
+
+class C {
+  accessor $;
+  accessor _;
+  accessor \u{6F};
+  accessor \u2118;
+  accessor ZW_\u200C_NJ;
+  accessor ZW_\u200D_J;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer-alt.js
new file mode 100644
index 0000000000..d0b8f03ba4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer-alt.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-classelementname-initializer-alt.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: FieldDefinition, ClassElementName, PropertyName = Initializer Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1;
+  _ = 2;
+  \u{6F} = 3;
+  ℘ = 4;      // DO NOT CHANGE THE NAME OF THIS FIELD
+  ZW_‌_NJ = 5; // DO NOT CHANGE THE NAME OF THIS FIELD
+  ZW_‍_J = 6;  // DO NOT CHANGE THE NAME OF THIS FIELD
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer.js
new file mode 100644
index 0000000000..143e21ced4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-classelementname-initializer.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-classelementname-initializer.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: FieldDefinition, ClassElementName, PropertyName = Initializer Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $ = 1;
+  _ = 2;
+  \u{6F} = 3;
+  \u2118 = 4;
+  ZW_\u200C_NJ = 5;
+  ZW_\u200D_J = 6;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier-alt.js
new file mode 100644
index 0000000000..37c11e23d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier-alt.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-identifier-alt.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $;
+  _;
+  \u{6F};
+  ℘;      // DO NOT CHANGE THE NAME OF THIS FIELD
+  ZW_‌_NJ; // DO NOT CHANGE THE NAME OF THIS FIELD
+  ZW_‍_J;  // DO NOT CHANGE THE NAME OF THIS FIELD
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier.js
new file mode 100644
index 0000000000..0151ed8286
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-field-identifier.js
@@ -0,0 +1,72 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-field-identifier.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid FieldDefinition, ClassElementName, PropertyName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+      StringLiteral
+      NumericLiteral
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart ::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart ::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue ::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  $;
+  _;
+  \u{6F};
+  \u2118;
+  ZW_\u200C_NJ;
+  ZW_\u200D_J;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-fields-multi-line.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-fields-multi-line.js
new file mode 100644
index 0000000000..73bde20af2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-fields-multi-line.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-fields-multi-line.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid multi-line, multi-field (class declaration)
+esid: prod-ClassElement
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+---*/
+
+
+class C {
+  x
+  y
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-get-set.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-get-set.js
new file mode 100644
index 0000000000..482b6920dd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-get-set.js
@@ -0,0 +1,23 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-get-set.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: It's valid if a class contains a private getter and a private setter with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+class C {
+  get #m() {}
+  set #m(_) {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-meth-nestedclassmeth.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-meth-nestedclassmeth.js
new file mode 100644
index 0000000000..ef9ea621c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatemeth-duplicate-meth-nestedclassmeth.js
@@ -0,0 +1,28 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-meth-nestedclassmeth.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: It's valid if a nested class shadows a private method (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class]
+flags: [generated]
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+class C {
+  constructor() {
+    class B {
+      #m() {}
+    }
+  }
+
+  #m() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer-alt.js
new file mode 100644
index 0000000000..c741b7755d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer-alt.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-classelementname-initializer-alt.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid PrivateName = Initializer Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1;
+  #_ = 2;
+  #\u{6F} = 3;
+  #℘ = 4;      // DO NOT CHANGE THE NAME OF THIS FIELD
+  #ZW_‌_NJ = 5; // DO NOT CHANGE THE NAME OF THIS FIELD
+  #ZW_‍_J = 6;  // DO NOT CHANGE THE NAME OF THIS FIELD
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer.js
new file mode 100644
index 0000000000..e80e425b7e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-classelementname-initializer.js
@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-classelementname-initializer.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid PrivateName = Initializer Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    Initializer :
+      = AssignmentExpression
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$ = 1;
+  #_ = 2;
+  #\u{6F} = 3;
+  #\u2118 = 4;
+  #ZW_\u200C_NJ = 5;
+  #ZW_\u200D_J = 6;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-identifier.js
new file mode 100644
index 0000000000..d0166b4b60
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-identifier.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Valid PrivateName Syntax (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  #$;
+  #_;
+  #\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-no-initializer-with-method.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-no-initializer-with-method.js
new file mode 100644
index 0000000000..200f8b280e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatename-no-initializer-with-method.js
@@ -0,0 +1,34 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-no-initializer-with-method.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: SyntaxError (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x
+  m() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatenames-multi-line.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatenames-multi-line.js
new file mode 100644
index 0000000000..e00ef3ed47
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-privatenames-multi-line.js
@@ -0,0 +1,34 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatenames-multi-line.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: SyntaxError (class declaration)
+esid: prod-ClassElement
+features: [class-fields-private, class]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+---*/
+
+
+class C {
+  #x
+  #y
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-accessor-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-accessor-meth-valid.js
new file mode 100644
index 0000000000..d3cb1b1ce1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-accessor-meth-valid.js
@@ -0,0 +1,58 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-prototype-accessor-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Accessor Methods can be named "prototype" (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    [...]
+    6. Let proto be OrdinaryObjectCreate(protoParent).
+    [...]
+    14. Perform MakeConstructor(F, false, proto).
+    [...]
+    20. For each ClassElement m in order from methods, do
+        a. If IsStatic of m is false, then
+            i. Let status be PropertyDefinitionEvaluation of m with arguments proto and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    With parameters object and enumerable.
+
+    MethodDefinition : get PropertyName ( ) { FunctionBody }
+
+    [...]
+    9. Let desc be the PropertyDescriptor { [[Get]]: closure, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    10. Return ? DefinePropertyOrThrow(object, propKey, desc).
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    [...]
+    8. Let desc be the PropertyDescriptor { [[Set]]: closure, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    9. Return ? DefinePropertyOrThrow(object, propKey, desc).
+
+---*/
+
+
+class C {
+  get prototype() { return 13; }
+  set prototype(_) {}
+}
+
+assert(C.hasOwnProperty('prototype'));
+assert(C.prototype.hasOwnProperty('prototype'));
+assert.notSameValue(C.prototype.prototype, C.prototype);
+assert.sameValue(C.prototype.prototype, 13);
+verifyProperty(C.prototype, 'prototype', {
+    enumerable: false,
+    configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js
new file mode 100644
index 0000000000..2c7e0c8f6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-gen-meth-valid.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-prototype-async-gen-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Async Generator Methods can be named "prototype" (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    [...]
+    6. Let proto be OrdinaryObjectCreate(protoParent).
+    [...]
+    14. Perform MakeConstructor(F, false, proto).
+    [...]
+    20. For each ClassElement m in order from methods, do
+        a. If IsStatic of m is false, then
+            i. Let status be PropertyDefinitionEvaluation of m with arguments proto and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    With parameters object and enumerable.
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    [...]
+    10. Let desc be PropertyDescriptor { [[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    11. Return ? DefinePropertyOrThrow(object, propKey, desc).
+
+---*/
+
+
+class C {
+  async * prototype() {}
+}
+
+assert(C.hasOwnProperty('prototype'));
+assert(C.prototype.hasOwnProperty('prototype'));
+assert.notSameValue(C.prototype.prototype, C.prototype);
+verifyProperty(C.prototype, 'prototype', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-meth-valid.js
new file mode 100644
index 0000000000..17fa1970f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-async-meth-valid.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-prototype-async-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Async Methods can be named "prototype" (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    [...]
+    6. Let proto be OrdinaryObjectCreate(protoParent).
+    [...]
+    14. Perform MakeConstructor(F, false, proto).
+    [...]
+    20. For each ClassElement m in order from methods, do
+        a. If IsStatic of m is false, then
+            i. Let status be PropertyDefinitionEvaluation of m with arguments proto and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    With parameters object and enumerable.
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    [...]
+    8. Let desc be the PropertyDescriptor { [[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    9. Return ? DefinePropertyOrThrow(object, propKey, desc).
+
+---*/
+
+
+class C {
+  async prototype() {}
+}
+
+assert(C.hasOwnProperty('prototype'));
+assert(C.prototype.hasOwnProperty('prototype'));
+assert.notSameValue(C.prototype.prototype, C.prototype);
+verifyProperty(C.prototype, 'prototype', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-gen-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-gen-meth-valid.js
new file mode 100644
index 0000000000..ac18e1f825
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-gen-meth-valid.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-prototype-gen-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Generator Methods can be named "prototype" (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage_opt { ClassBody_opt }
+
+    [...]
+    6. Let proto be OrdinaryObjectCreate(protoParent).
+    [...]
+    14. Perform MakeConstructor(F, false, proto).
+    [...]
+    20. For each ClassElement m in order from methods, do
+        a. If IsStatic of m is false, then
+            i. Let status be PropertyDefinitionEvaluation of m with arguments proto and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    With parameters object and enumerable.
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    [...]
+    10. Let desc be the PropertyDescriptor { [[Value]]: closure, [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    11. Return ? DefinePropertyOrThrow(object, propKey, desc).
+
+---*/
+
+
+class C {
+  * prototype() {}
+}
+
+assert(C.hasOwnProperty('prototype'));
+assert(C.prototype.hasOwnProperty('prototype'));
+assert.notSameValue(C.prototype.prototype, C.prototype);
+verifyProperty(C.prototype, 'prototype', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-meth-valid.js
new file mode 100644
index 0000000000..04ecfae0a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-special-prototype-meth-valid.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-special-prototype-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Methods can be named "prototype" (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    Runtime Semantics: ClassDefinitionEvaluation
+
+    ClassTail : ClassHeritage_opt { ClassBody_opt } 
+
+    [...]
+    6. Let proto be OrdinaryObjectCreate(protoParent).
+    [...]
+    14. Perform MakeConstructor(F, false, proto).
+    [...]
+    20. For each ClassElement m in order from methods, do
+        a. If IsStatic of m is false, then
+            i. Let status be PropertyDefinitionEvaluation of m with arguments proto and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    With parameters object and enumerable.
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    [...]
+    3. Let desc be the PropertyDescriptor { [[Value]]: methodDef.[[Closure]], [[Writable]]: true, [[Enumerable]]: enumerable, [[Configurable]]: true }.
+    4. Return ? DefinePropertyOrThrow(object, methodDef.[[Key]], desc).
+
+---*/
+
+
+class C {
+  prototype() {}
+}
+
+assert(C.hasOwnProperty('prototype'));
+assert(C.prototype.hasOwnProperty('prototype'));
+assert.notSameValue(C.prototype.prototype, C.prototype);
+verifyProperty(C.prototype, 'prototype', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-accessor-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-accessor-meth-valid.js
new file mode 100644
index 0000000000..50394530b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-accessor-meth-valid.js
@@ -0,0 +1,32 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-ctor-accessor-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Accessor Methods can be named constructor (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "prototype".
+
+---*/
+
+
+class C {
+  static get constructor() {}
+  static set constructor(_) {}
+  constructor() {} // stacks with a valid constructor
+}
+
+assert(C.hasOwnProperty('constructor'));
+assert(C.prototype.hasOwnProperty('constructor'));
+assert.notSameValue(C.prototype.constructor, C.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-gen-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-gen-meth-valid.js
new file mode 100644
index 0000000000..59d173ff32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-gen-meth-valid.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-ctor-async-gen-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Async Generator Methods can be named constructor (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "prototype".
+
+---*/
+
+
+class C {
+  static async * constructor() {}
+  constructor() {} // stacks with a valid constructor
+}
+
+assert(C.hasOwnProperty('constructor'));
+assert(C.prototype.hasOwnProperty('constructor'));
+assert.notSameValue(C.prototype.constructor, C.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-meth-valid.js
new file mode 100644
index 0000000000..47fbf0c78f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-async-meth-valid.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-ctor-async-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Methods can be named constructor (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "prototype".
+
+---*/
+
+
+class C {
+  static async constructor() {}
+  constructor() {} // stacks with a valid constructor
+}
+
+assert(C.hasOwnProperty('constructor'));
+assert(C.prototype.hasOwnProperty('constructor'));
+assert.notSameValue(C.prototype.constructor, C.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-gen-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-gen-meth-valid.js
new file mode 100644
index 0000000000..24f54213ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-gen-meth-valid.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-ctor-gen-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Generator Methods can be named constructor (class declaration)
+esid: prod-ClassElement
+features: [generators, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "prototype".
+
+---*/
+
+
+class C {
+  static * constructor() {}
+  constructor() {} // stacks with a valid constructor
+}
+
+assert(C.hasOwnProperty('constructor'));
+assert(C.prototype.hasOwnProperty('constructor'));
+assert.notSameValue(C.prototype.constructor, C.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-meth-valid.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-meth-valid.js
new file mode 100644
index 0000000000..7b778bc72b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-ctor-meth-valid.js
@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-ctor-meth-valid.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Methods can be named constructor (class declaration)
+esid: prod-ClassElement
+features: [class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is not "constructor" and HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "constructor" and SpecialMethod of MethodDefinition is true.
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if HasDirectSuper of MethodDefinition is true.
+        It is a Syntax Error if PropName of MethodDefinition is "prototype".
+
+---*/
+
+
+class C {
+  static constructor() {}
+  constructor() {} // stacks with a valid constructor
+}
+
+assert(C.hasOwnProperty('constructor'));
+assert(C.prototype.hasOwnProperty('constructor'));
+assert.notSameValue(C.prototype.constructor, C.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-gen-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-gen-meth-prototype.js
new file mode 100644
index 0000000000..7c7b26a27d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-gen-meth-prototype.js
@@ -0,0 +1,22 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-gen-meth-prototype.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Async Generator Private Methods can be named "#prototype" (class declaration)
+esid: prod-ClassElement
+features: [async-iteration, class-static-methods-private, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+class C {
+  static async * #prototype() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-meth-prototype.js
new file mode 100644
index 0000000000..445dea39c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-async-meth-prototype.js
@@ -0,0 +1,22 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-async-meth-prototype.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Async Private Methods can be named "#prototype" (class declaration)
+esid: prod-ClassElement
+features: [async-functions, class-static-methods-private, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+class C {
+  static async #prototype() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-gen-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-gen-meth-prototype.js
new file mode 100644
index 0000000000..5a15aae437
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-gen-meth-prototype.js
@@ -0,0 +1,22 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-gen-meth-prototype.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Generator Private Methods can be named "#prototype" (class declaration)
+esid: prod-ClassElement
+features: [generators, class-static-methods-private, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+class C {
+  static * #prototype() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-meth-prototype.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-meth-prototype.js
new file mode 100644
index 0000000000..6907ef0886
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/grammar-static-private-meth-prototype.js
@@ -0,0 +1,22 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-static-private-meth-prototype.case
+// - src/class-elements/syntax/valid/cls-decl-elements-valid-syntax.template
+/*---
+description: Static Private Methods can be named "#prototype" (class declaration)
+esid: prod-ClassElement
+features: [class-static-methods-private, class]
+flags: [generated]
+info: |
+    Class Definitions / Static Semantics: Early Errors
+
+    ClassElement : static MethodDefinition
+        It is a Syntax Error if PropName of MethodDefinition is "prototype"
+
+---*/
+
+
+class C {
+  static #prototype() {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/valid/shell.js b/js/src/tests/test262/language/statements/class/elements/syntax/valid/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/valid/shell.js
diff --git a/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-arguments.js
new file mode 100644
index 0000000000..6d238dc7d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-ternary.template
+/*---
+description: Syntax error if `arguments` used in class field (ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = false ? {} : arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-super.js
new file mode 100644
index 0000000000..daff75a0a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/ternary-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-ternary.template
+/*---
+description: Syntax error if `super()` used in class field (ternary expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = false ? {} : super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-arguments.js b/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-arguments.js
new file mode 100644
index 0000000000..008897003f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-arguments.js
@@ -0,0 +1,35 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-arguments.case
+// - src/class-elements/initializer-error/cls-decl-fields-typeof.template
+/*---
+description: Syntax error if `arguments` used in class field (typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if ContainsArguments of Initializer is true.
+
+    Static Semantics: ContainsArguments
+      IdentifierReference : Identifier
+
+      1. If the StringValue of Identifier is "arguments", return true.
+      ...
+      For all other grammatical productions, recurse on all nonterminals. If any piece returns true, then return true. Otherwise return false.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = typeof arguments;
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-super.js b/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-super.js
new file mode 100644
index 0000000000..ac76975da2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/typeof-init-err-contains-super.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/init-err-contains-super.case
+// - src/class-elements/initializer-error/cls-decl-fields-typeof.template
+/*---
+description: Syntax error if `super()` used in class field (typeof expression)
+esid: sec-class-definitions-static-semantics-early-errors
+features: [class, class-fields-public]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+      FieldDefinition:
+        PropertyNameInitializeropt
+
+      - It is a Syntax Error if Initializer is present and Initializer Contains SuperCall is true.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  x = typeof super();
+}
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-names.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-names.js
new file mode 100644
index 0000000000..30e6024dba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-names.js
@@ -0,0 +1,96 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-names.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Computed property names (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = "b";
+
+
+
+class C {
+  ;;;;
+  ;;;;;;[x] = 42; [10] = "meep"; ["not initialized"];;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "10"),
+  "10 doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "10"),
+  "10 doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "10", {
+  value: "meep",
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "not initialized"),
+  "'not initialized' doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "not initialized", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-symbol-names.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-symbol-names.js
new file mode 100644
index 0000000000..ce1ebcd921
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-computed-symbol-names.js
@@ -0,0 +1,94 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/computed-symbol-names.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Computed property symbol names (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, Symbol, computed-property-names, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+var x = Symbol();
+var y = Symbol();
+
+
+
+class C {
+  ;;;;
+  ;;;;;;[x]; [y] = 42;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, x),
+  "Symbol x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, x),
+  "Symbol x doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, x, {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, y),
+  "Symbol y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, y),
+  "Symbol y doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, y, {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "x"),
+  "x doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "x"),
+  "x doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "x"),
+  "x doesn't appear as an own property on C instance"
+);
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "y"),
+  "y doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "y"),
+  "y doesn't appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "y"),
+  "y doesn't appear as an own property on C instance"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-grammar-privatename-identifier-semantics-stringvalue.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-grammar-privatename-identifier-semantics-stringvalue.js
new file mode 100644
index 0000000000..662df262e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-grammar-privatename-identifier-semantics-stringvalue.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatename-identifier-semantics-stringvalue.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: PrivateName Static Semantics, StringValue (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+
+    1. Return the String value consisting of the sequence of code
+      units corresponding to PrivateName. In determining the sequence
+      any occurrences of \ UnicodeEscapeSequence are first replaced
+      with the code point represented by the UnicodeEscapeSequence
+      and then the code points of the entire PrivateName are converted
+      to code units by UTF16Encoding (10.1.1) each code point.
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#\u{6F};
+  #\u2118;
+  #ZW_\u200C_NJ;
+  #ZW_\u200D_J;;;;;;;;
+  ;;;;
+  o(value) {
+    this.#o = value;
+    return this.#o;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS METHOD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.o(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names-asi.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names-asi.js
new file mode 100644
index 0000000000..b7c8cba4af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names-asi.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names-asi.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Literal property names with ASI (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;a
+  b = 42;;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names.js
new file mode 100644
index 0000000000..14874fa1aa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-literal-names.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/literal-names.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Literal property names (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+const fn = function() {}
+
+
+
+class C {
+  ;;;;
+  ;;;;;;a; b = 42;
+  c = fn;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c doesn't appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c doesn't appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: fn,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-field-usage.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-field-usage.js
new file mode 100644
index 0000000000..250732f70e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-field-usage.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-field-usage.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: PrivateName CallExpression usage (private field) (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#m = 'test262';;;;;;;;
+  ;;;;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-getter-usage.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-getter-usage.js
new file mode 100644
index 0000000000..96dc07fce4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-getter-usage.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-getter-usage.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: PrivateName CallExpression usage (Accesor get method) (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;get #m() { return 'test262'; };;;;;;;
+  ;;;;
+  method() {
+    return this.#m;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-usage.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-usage.js
new file mode 100644
index 0000000000..f40a7674dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-method-usage.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-method-usage.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: PrivateName CallExpression usage (private method) (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    Updated Productions
+
+    CallExpression[Yield, Await]:
+      CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await]
+      SuperCall[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]Arguments[?Yield, ?Await]
+      CallExpression[?Yield, ?Await][Expression[+In, ?Yield, ?Await]]
+      CallExpression[?Yield, ?Await].IdentifierName
+      CallExpression[?Yield, ?Await]TemplateLiteral[?Yield, ?Await]
+      CallExpression[?Yield, ?Await].PrivateName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#m() { return 'test262'; };;;;;;;
+  ;;;;
+  method() {
+    return this.#m();
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.method(), 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-names.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-names.js
new file mode 100644
index 0000000000..cd5fdb0d9f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-private-names.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/private-names.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: private names (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#x; #y;;;;;;;
+  ;;;;
+  x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(c.x(), 42, "test 7");
+assert.sameValue(c.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier-initializer.js
new file mode 100644
index 0000000000..b73e3b18f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier-initializer.js
@@ -0,0 +1,75 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid FieldDefinition (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;$ = 1; _ = 1; \u{6F} = 1; \u2118 = 1; ZW_\u200C_NJ = 1; ZW_\u200D_J = 1;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier.js
new file mode 100644
index 0000000000..258d3a90fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-field-identifier.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid FieldDefinition (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;$; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+c.$ = 1;
+c._ = 1;
+c.\u{6F} = 1;
+c.\u2118 = 1;
+c.ZW_\u200C_NJ = 1;
+c.ZW_\u200D_J = 1;
+
+assert.sameValue(c.$, 1);
+assert.sameValue(c._, 1);
+assert.sameValue(c.\u{6F}, 1);
+assert.sameValue(c.\u2118, 1);
+assert.sameValue(c.ZW_\u200C_NJ, 1);
+assert.sameValue(c.ZW_\u200D_J, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter-alt.js
new file mode 100644
index 0000000000..596acd77f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter-alt.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private getter (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #℘() {
+    return this.#℘_;
+  }
+  get #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  get #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter.js
new file mode 100644
index 0000000000..3dc72041ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-getter.js
@@ -0,0 +1,116 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-getter.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private getter (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      get ClassElementName ( ){ FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  get #$() {
+    return this.#$_;
+  }
+  get #_() {
+    return this.#__;
+  }
+  get #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  get #\u2118() {
+    return this.#\u2118_;
+  }
+  get #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  get #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$_ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method-alt.js
new file mode 100644
index 0000000000..b62a4f7d4b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method-alt.js
@@ -0,0 +1,115 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private method (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #℘() {
+    return this.#℘_;
+  }
+  #ZW_‌_NJ() {
+    return this.#ZW_‌_NJ_;
+  }
+  #ZW_‍_J() {
+    return this.#ZW_‍_J_;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  ℘(value) {
+    this.#℘_ = value;
+    return this.#℘();
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+    return this.#ZW_‌_NJ();
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+    return this.#ZW_‍_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method.js
new file mode 100644
index 0000000000..64e147f00e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-method.js
@@ -0,0 +1,115 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-method.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private method (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ) { FunctionBody }
+      ...
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  #$() {
+    return this.#$_;
+  }
+  #_() {
+    return this.#__;
+  }
+  #\u{6F}() {
+    return this.#\u{6F}_;
+  }
+  #\u2118() {
+    return this.#\u2118_;
+  }
+  #ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ_;
+  }
+  #ZW_\u200D_J() {
+    return this.#ZW_\u200D_J_;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$_ = value;
+    return this.#$();
+  }
+  _(value) {
+    this.#__ = value;
+    return this.#_();
+  }
+  \u{6F}(value) {
+    this.#\u{6F}_ = value;
+    return this.#\u{6F}();
+  }
+  \u2118(value) {
+    this.#\u2118_ = value;
+    return this.#\u2118();
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+    return this.#ZW_\u200C_NJ();
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+    return this.#ZW_\u200D_J();
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter-alt.js
new file mode 100644
index 0000000000..293cb94806
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter-alt.js
@@ -0,0 +1,115 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private setter (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #℘_; #ZW_‌_NJ_; #ZW_‍_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #℘(value) {
+    this.#℘_ = value;
+  }
+  set #ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ_ = value;
+  }
+  set #ZW_‍_J(value) {
+    this.#ZW_‍_J_ = value;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘_;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ_;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter.js
new file mode 100644
index 0000000000..e199eac710
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-private-setter.js
@@ -0,0 +1,115 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-private-setter.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName as private setter (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-methods-private, class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      ...
+      ;
+
+    MethodDefinition :
+      ...
+      set ClassElementName ( PropertySetParameterList ) { FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$_; #__; #\u{6F}_; #\u2118_; #ZW_\u200C_NJ_; #ZW_\u200D_J_;
+  set #$(value) {
+    this.#$_ = value;
+  }
+  set #_(value) {
+    this.#__ = value;
+  }
+  set #\u{6F}(value) {
+    this.#\u{6F}_ = value;
+  }
+  set #\u2118(value) {
+    this.#\u2118_ = value;
+  }
+  set #ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ_ = value;
+  }
+  set #ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J_ = value;
+  }
+;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$ = value;
+    return this.#$_;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#__;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F}_;
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118_;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ_;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J_;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-alt.js
new file mode 100644
index 0000000000..d54f48af3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-alt.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$; #_; #\u{6F}; #℘; #ZW_‌_NJ; #ZW_‍_J;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  ℘(value) {
+    this.#℘ = value;
+    return this.#℘;
+  }
+  ZW_‌_NJ(value) {
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J(value) {
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.℘(1), 1);
+assert.sameValue(c.ZW_‌_NJ(1), 1);
+assert.sameValue(c.ZW_‍_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..dfce12d03b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer-alt.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$ = 1; #_ = 1; #\u{6F} = 1; #℘ = 1; #ZW_‌_NJ = 1; #ZW_‍_J = 1;;;;;;;
+  ;;;;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  ℘() {
+    return this.#℘;
+  }
+  ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.℘(), 1);
+assert.sameValue(c.ZW_‌_NJ(), 1);
+assert.sameValue(c.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..c8ca2df9b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier-initializer.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$ = 1; #_ = 1; #\u{6F} = 1; #\u2118 = 1; #ZW_\u200C_NJ = 1; #ZW_\u200D_J = 1;;;;;;;
+  ;;;;
+  $() {
+    return this.#$;
+  }
+  _() {
+    return this.#_;
+  }
+  \u{6F}() {
+    return this.#\u{6F};
+  }
+  \u2118() {
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(), 1);
+assert.sameValue(c._(), 1);
+assert.sameValue(c.\u{6F}(), 1);
+assert.sameValue(c.\u2118(), 1);
+assert.sameValue(c.ZW_\u200C_NJ(), 1);
+assert.sameValue(c.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier.js
new file mode 100644
index 0000000000..33698474f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-privatename-identifier.js
@@ -0,0 +1,97 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;#$; #_; #\u{6F}; #\u2118; #ZW_\u200C_NJ; #ZW_\u200D_J;;;;;;;
+  ;;;;
+  $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(c.$(1), 1);
+assert.sameValue(c._(1), 1);
+assert.sameValue(c.\u{6F}(1), 1);
+assert.sameValue(c.\u2118(1), 1);
+assert.sameValue(c.ZW_\u200C_NJ(1), 1);
+assert.sameValue(c.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..af07c42679
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #o(value) {
+    yield * await value;
+  }
+  static async * #℘(value) {
+    yield * await value;
+  }
+  static async * #ZW_‌_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_‍_J(value) {
+    yield * await value;
+  };;;;;;;
+  ;;;;
+  static get $() {
+   return this.#$;
+  }
+  static get _() {
+   return this.#_;
+  }
+  static get o() {
+   return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+   return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.o([1]).next(),
+  C.℘([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J([1]).next(), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..f4b1e4b5e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-method-privatename-identifier.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static AsyncGeneratorMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * ClassElementName ( UniqueFormalParameters){ AsyncGeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static async * #$(value) {
+    yield * await value;
+  }
+  static async * #_(value) {
+    yield * await value;
+  }
+  static async * #\u{6F}(value) {
+    yield * await value;
+  }
+  static async * #\u2118(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200C_NJ(value) {
+    yield * await value;
+  }
+  static async * #ZW_\u200D_J(value) {
+    yield * await value;
+  };;;;;;;
+  ;;;;
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$([1]).next(),
+  C._([1]).next(),
+  C.\u{6F}([1]).next(),
+  C.\u2118([1]).next(),
+  C.ZW_\u200C_NJ([1]).next(),
+  C.ZW_\u200D_J([1]).next(),
+]).then(results => {
+
+  assert.sameValue(results[0].value, 1);
+  assert.sameValue(results[1].value, 1);
+  assert.sameValue(results[2].value, 1);
+  assert.sameValue(results[3].value, 1);
+  assert.sameValue(results[4].value, 1);
+  assert.sameValue(results[5].value, 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..71adbfab98
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier-alt.js
@@ -0,0 +1,122 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static AsyncMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #o(value) {
+    return await value;
+  }
+  static async #℘(value) {
+    return await value;
+  }
+  static async #ZW_‌_NJ(value) {
+    return await value;
+  }
+  static async #ZW_‍_J(value) {
+    return await value;
+  };;;;;;;
+  ;;;;
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async o(value) {
+    return await this.#o(value);
+  }
+  static async ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#℘(value);
+  }
+  static async ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‌_NJ(value);
+  }
+  static async ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return await this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.o(1),
+  C.℘(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‌_NJ(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+  C.ZW_‍_J(1), // DO NOT CHANGE THE NAME OF THIS FIELD
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier.js
new file mode 100644
index 0000000000..c8900b18e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-async-method-privatename-identifier.js
@@ -0,0 +1,123 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-async-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static AsyncMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      AsyncMethod
+
+    AsyncMethod :
+      async [no LineTerminator here] ClassElementName ( UniqueFormalParameters ){ AsyncFunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static async #$(value) {
+    return await value;
+  }
+  static async #_(value) {
+    return await value;
+  }
+  static async #\u{6F}(value) {
+    return await value;
+  }
+  static async #\u2118(value) {
+    return await value;
+  }
+  static async #ZW_\u200C_NJ(value) {
+    return await value;
+  }
+  static async #ZW_\u200D_J(value) {
+    return await value;
+  };;;;;;;
+  ;;;;
+  static async $(value) {
+    return await this.#$(value);
+  }
+  static async _(value) {
+    return await this.#_(value);
+  }
+  static async \u{6F}(value) {
+    return await this.#\u{6F}(value);
+  }
+  static async \u2118(value) {
+    return await this.#\u2118(value);
+  }
+  static async ZW_\u200C_NJ(value) {
+    return await this.#ZW_\u200C_NJ(value);
+  }
+  static async ZW_\u200D_J(value) {
+    return await this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+Promise.all([
+  C.$(1),
+  C._(1),
+  C.\u{6F}(1),
+  C.\u2118(1),
+  C.ZW_\u200C_NJ(1),
+  C.ZW_\u200D_J(1),
+]).then(results => {
+
+  assert.sameValue(results[0], 1);
+  assert.sameValue(results[1], 1);
+  assert.sameValue(results[2], 1);
+  assert.sameValue(results[3], 1);
+  assert.sameValue(results[4], 1);
+  assert.sameValue(results[5], 1);
+
+}).then($DONE, $DONE);
+
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..639550053b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier-alt.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #o(value) {
+    yield * value;
+  }
+  static * #℘(value) {
+    yield * value;
+  }
+  static * #ZW_‌_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_‍_J(value) {
+    yield * value;
+  };;;;;;;
+  ;;;;
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get o() {
+    return this.#o;
+  }
+  static get ℘() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘;
+  }
+  static get ZW_‌_NJ() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ;
+  }
+  static get ZW_‍_J() { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.o([1]).next().value, 1);
+assert.sameValue(C.℘([1]).next().value, 1);
+assert.sameValue(C.ZW_‌_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_‍_J([1]).next().value, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier.js
new file mode 100644
index 0000000000..d32b781a06
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-generator-method-privatename-identifier.js
@@ -0,0 +1,113 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-generator-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static GeneratorMethod PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      GeneratorMethod
+
+    GeneratorMethod :
+      * ClassElementName ( UniqueFormalParameters ){ GeneratorBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static * #$(value) {
+    yield * value;
+  }
+  static * #_(value) {
+    yield * value;
+  }
+  static * #\u{6F}(value) {
+    yield * value;
+  }
+  static * #\u2118(value) {
+    yield * value;
+  }
+  static * #ZW_\u200C_NJ(value) {
+    yield * value;
+  }
+  static * #ZW_\u200D_J(value) {
+    yield * value;
+  };;;;;;;
+  ;;;;
+  static get $() {
+    return this.#$;
+  }
+  static get _() {
+    return this.#_;
+  }
+  static get \u{6F}() {
+    return this.#\u{6F};
+  }
+  static get \u2118() {
+    return this.#\u2118;
+  }
+  static get ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static get ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$([1]).next().value, 1);
+assert.sameValue(C._([1]).next().value, 1);
+assert.sameValue(C.\u{6F}([1]).next().value, 1);
+assert.sameValue(C.\u2118([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200C_NJ([1]).next().value, 1);
+assert.sameValue(C.ZW_\u200D_J([1]).next().value, 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier-alt.js
new file mode 100644
index 0000000000..bf440f11f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier-alt.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static Method PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #o(value) {
+    return value;
+  }
+  static #℘(value) {
+    return value;
+  }
+  static #ZW_‌_NJ(value) {
+    return value;
+  }
+  static #ZW_‍_J(value) {
+    return value;
+  };;;;;;;
+  ;;;;
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static o(value) {
+    return this.#o(value);
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#℘(value);
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‌_NJ(value);
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    return this.#ZW_‍_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier.js
new file mode 100644
index 0000000000..7e20ca05ea
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-method-privatename-identifier.js
@@ -0,0 +1,110 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-method-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static Method PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    MethodDefinition :
+      ClassElementName ( UniqueFormalParameters ){ FunctionBody }
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$(value) {
+    return value;
+  }
+  static #_(value) {
+    return value;
+  }
+  static #\u{6F}(value) {
+    return value;
+  }
+  static #\u2118(value) {
+    return value;
+  }
+  static #ZW_\u200C_NJ(value) {
+    return value;
+  }
+  static #ZW_\u200D_J(value) {
+    return value;
+  };;;;;;;
+  ;;;;
+  static $(value) {
+    return this.#$(value);
+  }
+  static _(value) {
+    return this.#_(value);
+  }
+  static \u{6F}(value) {
+    return this.#\u{6F}(value);
+  }
+  static \u2118(value) {
+    return this.#\u2118(value);
+  }
+  static ZW_\u200C_NJ(value) {
+    return this.#ZW_\u200C_NJ(value);
+  }
+  static ZW_\u200D_J(value) {
+    return this.#ZW_\u200D_J(value);
+  }
+
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt-by-classname.js
new file mode 100644
index 0000000000..53c919ff36
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt-by-classname.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;;;;;;;
+  ;;;;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static o(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#℘ = value;
+    return C.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‌_NJ = value;
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    C.#ZW_‍_J = value;
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt.js
new file mode 100644
index 0000000000..c71bcea7df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-alt.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$; static #_; static #\u{6F}; static #℘; static #ZW_‌_NJ; static #ZW_‍_J;;;;;;;
+  ;;;;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static o(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static ℘(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#℘ = value;
+    return this.#℘;
+  }
+  static ZW_‌_NJ(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‌_NJ = value;
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J(value) { // DO NOT CHANGE THE NAME OF THIS FIELD
+    this.#ZW_‍_J = value;
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.o(1), 1);
+assert.sameValue(C.℘(1), 1);      // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‌_NJ(1), 1); // DO NOT CHANGE THE NAME OF THIS FIELD
+assert.sameValue(C.ZW_‍_J(1), 1);  // DO NOT CHANGE THE NAME OF THIS FIELD
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-by-classname.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-by-classname.js
new file mode 100644
index 0000000000..88b4fa5341
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-by-classname.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-by-classname.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;;;;;;;
+  ;;;;
+  static $(value) {
+    C.#$ = value;
+    return C.#$;
+  }
+  static _(value) {
+    C.#_ = value;
+    return C.#_;
+  }
+  static \u{6F}(value) {
+    C.#\u{6F} = value;
+    return C.#\u{6F};
+  }
+  static \u2118(value) {
+    C.#\u2118 = value;
+    return C.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    C.#ZW_\u200C_NJ = value;
+    return C.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    C.#ZW_\u200D_J = value;
+    return C.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt-by-classname.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt-by-classname.js
new file mode 100644
index 0000000000..c05a55b679
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt-by-classname.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt-by-classname.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;;;;;;;
+  ;;;;
+  static $() {
+    return C.#$;
+  }
+  static _() {
+    return C.#_;
+  }
+  static \u{6F}() {
+    return C.#\u{6F};
+  }
+  static ℘() {
+    return C.#℘;
+  }
+  static ZW_‌_NJ() {
+    return C.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return C.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt.js
new file mode 100644
index 0000000000..ed638fd79a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer-alt.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer-alt.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #℘ = 1; static #ZW_‌_NJ = 1; static #ZW_‍_J = 1;;;;;;;
+  ;;;;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static ℘() {
+    return this.#℘;
+  }
+  static ZW_‌_NJ() {
+    return this.#ZW_‌_NJ;
+  }
+  static ZW_‍_J() {
+    return this.#ZW_‍_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.℘(), 1);
+assert.sameValue(C.ZW_‌_NJ(), 1);
+assert.sameValue(C.ZW_‍_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer.js
new file mode 100644
index 0000000000..34b301ccfe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier-initializer.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier-initializer.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$ = 1; static #_ = 1; static #\u{6F} = 1; static #\u2118 = 1; static #ZW_\u200C_NJ = 1; static #ZW_\u200D_J = 1;;;;;;;
+  ;;;;
+  static $() {
+    return this.#$;
+  }
+  static _() {
+    return this.#_;
+  }
+  static \u{6F}() {
+    return this.#\u{6F};
+  }
+  static \u2118() {
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ() {
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J() {
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(), 1);
+assert.sameValue(C._(), 1);
+assert.sameValue(C.\u{6F}(), 1);
+assert.sameValue(C.\u2118(), 1);
+assert.sameValue(C.ZW_\u200C_NJ(), 1);
+assert.sameValue(C.ZW_\u200D_J(), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier.js
new file mode 100644
index 0000000000..92a8097f2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-rs-static-privatename-identifier.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-static-privatename-identifier.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: Valid Static PrivateName (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+      static MethodDefinition
+      FieldDefinition ;
+      static FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+      PrivateName
+
+    PrivateName ::
+      # IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #$; static #_; static #\u{6F}; static #\u2118; static #ZW_\u200C_NJ; static #ZW_\u200D_J;;;;;;;
+  ;;;;
+  static $(value) {
+    this.#$ = value;
+    return this.#$;
+  }
+  static _(value) {
+    this.#_ = value;
+    return this.#_;
+  }
+  static \u{6F}(value) {
+    this.#\u{6F} = value;
+    return this.#\u{6F};
+  }
+  static \u2118(value) {
+    this.#\u2118 = value;
+    return this.#\u2118;
+  }
+  static ZW_\u200C_NJ(value) {
+    this.#ZW_\u200C_NJ = value;
+    return this.#ZW_\u200C_NJ;
+  }
+  static ZW_\u200D_J(value) {
+    this.#ZW_\u200D_J = value;
+    return this.#ZW_\u200D_J;
+  }
+}
+
+var c = new C();
+
+assert.sameValue(C.$(1), 1);
+assert.sameValue(C._(1), 1);
+assert.sameValue(C.\u{6F}(1), 1);
+assert.sameValue(C.\u2118(1), 1);
+assert.sameValue(C.ZW_\u200C_NJ(1), 1);
+assert.sameValue(C.ZW_\u200D_J(1), 1);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-fields.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-fields.js
new file mode 100644
index 0000000000..2c8f938c1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-fields.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-fields.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: static private fields (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #x; static #y;;;;;;;
+  ;;;;
+  static x() {
+    this.#x = 42;
+    return this.#x;
+  }
+  static y() {
+    this.#y = 43;
+    return this.#y;
+  }
+}
+
+var c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 43, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods-with-fields.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods-with-fields.js
new file mode 100644
index 0000000000..366df0d7b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods-with-fields.js
@@ -0,0 +1,76 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods-with-fields.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: static private methods with fields (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class-static-fields-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;static #xVal; static #yVal;;;;;;;
+  ;;;;
+  static #x(value) {
+    this.#xVal = value;
+    return this.#xVal;
+  }
+  static #y(value) {
+    this.#yVal = value;
+    return this.#yVal;
+  }
+  static x() {
+    return this.#x(42);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#xVal"), "test 7");
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 8");
+assert(!Object.prototype.hasOwnProperty.call(c, "#xVal"), "test 9");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#yVal"), "test 10");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 11");
+assert(!Object.prototype.hasOwnProperty.call(c, "#yVal"), "test 12");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 13");
+assert.sameValue(C.y(), 43, "test 14");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 15");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 16");
+
+assert(!Object.prototype.hasOwnProperty.call(C, "#xVal"), "test 17");
+assert(!Object.prototype.hasOwnProperty.call(C, "#yVal"), "test 18");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods.js
new file mode 100644
index 0000000000..e2276b3a20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-static-private-methods.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/static-private-methods.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: static private methods (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-static-methods-private, class, class-fields-public]
+flags: [generated]
+info: |
+    ClassElement :
+      ...
+      static FieldDefinition ;
+
+    FieldDefinition :
+      ClassElementName Initializer_opt
+
+    ClassElementName :
+      PrivateName
+
+    PrivateName :
+      # IdentifierName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;;;;;;;;
+  ;;;;
+  static #x(value) {
+    return value / 2;
+  }
+  static #y(value) {
+    return value * 2;
+  }
+  static x() {
+    return this.#x(84);
+  }
+  static y() {
+    return this.#y(43);
+  }
+}
+
+var c = new C();
+
+// Test the private methods do not appear as properties before set to value
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#x"), "test 1");
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 2");
+assert(!Object.prototype.hasOwnProperty.call(c, "#x"), "test 3");
+
+assert(!Object.prototype.hasOwnProperty.call(C.prototype, "#y"), "test 4");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 5");
+assert(!Object.prototype.hasOwnProperty.call(c, "#y"), "test 6");
+
+// Test if private fields can be sucessfully accessed and set to value
+assert.sameValue(C.x(), 42, "test 7");
+assert.sameValue(C.y(), 86, "test 8");
+
+// Test the private fields do not appear as properties before after set to value
+assert(!Object.prototype.hasOwnProperty.call(C, "#x"), "test 9");
+assert(!Object.prototype.hasOwnProperty.call(C, "#y"), "test 10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-string-literal-names.js b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-string-literal-names.js
new file mode 100644
index 0000000000..adbc00ec7e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/wrapped-in-sc-string-literal-names.js
@@ -0,0 +1,98 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/string-literal-names.case
+// - src/class-elements/productions/cls-decl-wrapped-in-sc.template
+/*---
+description: String literal names (fields definition wrapped in semicolons)
+esid: prod-FieldDefinition
+features: [class-fields-public, class]
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    ClassElement:
+      ...
+      FieldDefinition ;
+
+    FieldDefinition:
+      ClassElementName Initializer_opt
+
+    ClassElementName:
+      PropertyName
+
+---*/
+
+
+class C {
+  ;;;;
+  ;;;;;;'a'; "b"; 'c' = 39;
+  "d" = 42;;;;;;;
+  ;;;;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "a"),
+  "a does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "a"),
+  "a does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "a", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "b"),
+  "b does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "b"),
+  "b does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "b", {
+  value: undefined,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "c"),
+  "c does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "c"),
+  "c does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "c", {
+  value: 39,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "d"),
+  "d does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "d"),
+  "d does not appear as an own property on C constructor"
+);
+
+verifyProperty(c, "d", {
+  value: 42,
+  enumerable: true,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-length-dflt.js b/js/src/tests/test262/language/statements/class/gen-method-length-dflt.js
new file mode 100644
index 0000000000..d3e00887d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-length-dflt.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.1.6
+description: >
+  Default parameters' effect on function length
+info: |
+  Function length is counted by the non initialized parameters in the left.
+
+  9.2.4 FunctionInitialize (F, kind, ParameterList, Body, Scope)
+
+  [...]
+  2. Let len be the ExpectedArgumentCount of ParameterList.
+  3. Perform ! DefinePropertyOrThrow(F, "length", PropertyDescriptor{[[Value]]:
+     len, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true}).
+  [...]
+
+  FormalsList : FormalParameter
+
+    1. If HasInitializer of FormalParameter is true return 0
+    2. Return 1.
+
+  FormalsList : FormalsList , FormalParameter
+
+    1. Let count be the ExpectedArgumentCount of FormalsList.
+    2. If HasInitializer of FormalsList is true or HasInitializer of
+    FormalParameter is true, return count.
+    3. Return count+1.
+features: [generators, default-parameters]
+includes: [propertyHelper.js]
+---*/
+
+class C1 { *m(x = 42) {} }
+
+var m1 = C1.prototype.m;
+
+assert.sameValue(m1.length, 0, 'formalslist: x = 42');
+verifyNotEnumerable(m1, 'length');
+verifyNotWritable(m1, 'length');
+verifyConfigurable(m1, 'length');
+
+class C2 { *m(x = 42, y) {} }
+
+var m2 = C2.prototype.m;
+
+assert.sameValue(m2.length, 0, 'formalslist: x = 42, y');
+verifyNotEnumerable(m2, 'length');
+verifyNotWritable(m2, 'length');
+verifyConfigurable(m2, 'length');
+
+class C3 { *m(x, y = 42) {} }
+
+var m3 = C3.prototype.m;
+
+assert.sameValue(m3.length, 1, 'formalslist: x, y = 42');
+verifyNotEnumerable(m3, 'length');
+verifyNotWritable(m3, 'length');
+verifyConfigurable(m3, 'length');
+
+class C4 { *m(x, y = 42, z) {} }
+
+var m4 = C4.prototype.m;
+
+assert.sameValue(m4.length, 1, 'formalslist: x, y = 42, z');
+verifyNotEnumerable(m4, 'length');
+verifyNotWritable(m4, 'length');
+verifyConfigurable(m4, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-param-dflt-yield.js b/js/src/tests/test262/language/statements/class/gen-method-param-dflt-yield.js
new file mode 100644
index 0000000000..0cb2a793e5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-param-dflt-yield.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-generator-function-definitions
+es6id: 14.4
+description: >
+  YieldExpression cannot be used within the FormalParameters of a generator
+  function
+info: |
+  GeneratorMethod[Yield]:
+
+     * PropertyName[?Yield] ( StrictFormalParameters[Yield] ) { GeneratorBody }
+
+  YieldExpression cannot be used within the FormalParameters of a generator
+  function because any expressions that are part of FormalParameters are
+  evaluated before the resulting generator object is in a resumable state.
+features: [generators, default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  *g(x = yield) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method-static/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..22204bdbf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/array-destructuring-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/browser.js b/js/src/tests/test262/language/statements/class/gen-method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-abrupt.js
new file mode 100644
index 0000000000..ec9286935c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-abrupt.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-gen-meth-static.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..2c7bfbc71f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: Use of initializer when argument value is not `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+var callCount = 0;
+class C {
+  static *method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(false, '', NaN, 0, null, obj).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..403b8151bc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-arg-val-undefined.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: Use of initializer when argument value is `undefined` (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(undefined, void 0).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-duplicates.js
new file mode 100644
index 0000000000..9346b39d9a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-duplicates.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-later.js
new file mode 100644
index 0000000000..e13e551a92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-later.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-gen-meth-static.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static *method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..b023781640
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-prior.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static *method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+C.method(3).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-self.js
new file mode 100644
index 0000000000..0841078cde
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-ref-self.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-gen-meth-static.template
+/*---
+description: Referencing a parameter from within its own initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static *method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-rest.js
new file mode 100644
index 0000000000..8b0fb0dd3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-rest.js
@@ -0,0 +1,90 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: RestParameter does not support an initializer (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..d9f4fe5b57
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/dflt-params-trailing-comma.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static *method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, undefined, 1).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..6377a89f1b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-gen-meth-static.template
+/*---
+description: Forbidden extension, f.arguments (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..1bbbb759e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/cls-decl-gen-meth-static-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  static *method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..dbaa9c2c0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next();
+
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..10d70f4670
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next();
+
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..33a95f63b2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/cls-decl-gen-meth-static-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method().next();
+
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method-static/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..bf4ccd839e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/object-destructuring-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..58ab67fc29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-multiple.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static *method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, 39, 1).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 2, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-single.js
new file mode 100644
index 0000000000..f638c61197
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/params-trailing-comma-single.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-gen-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static *method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, 39).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method-static/rest-param-strict-body.js
new file mode 100644
index 0000000000..4ab6f6d7f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/rest-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/gen-method-static/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..f3ee1689c8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,83 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-gen-meth-static.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static *method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/shell.js b/js/src/tests/test262/language/statements/class/gen-method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..674410fd55
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier-escaped.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..14060c146c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-binding-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..0033f06424
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference-escaped.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..dbc38e6a7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-identifier-reference.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..9ee1269a64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier-escaped.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier.js
new file mode 100644
index 0000000000..3e58703d96
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-as-label-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier.case
+// - src/generators/syntax/class-decl-static-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C {static *gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..844d21c890
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,54 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-spread-strict.case
+// - src/generators/default/class-decl-static-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [object-spread, generators]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {static *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..280fc5bb56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-identifier-strict-strict.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-strict.case
+// - src/generators/default/class-decl-static-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C {static *gen() {
+    callCount += 1;
+    (function() {
+        var yield;
+        throw new Test262Error();
+      }())
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..c5e27efa20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-multiple.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-multiple.case
+// - src/generators/default/class-decl-static-method.template
+/*---
+description: Use yield value in a array spread position (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+var callCount = 0;
+
+class C {static *gen() {
+    callCount += 1;
+    yield [...yield yield];
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+item = iter.next(item.value);
+
+assert.compareArray(item.value, arr);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-single.js
new file mode 100644
index 0000000000..08baa75ed6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-arr-single.js
@@ -0,0 +1,54 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-single.case
+// - src/generators/default/class-decl-static-method.template
+/*---
+description: Use yield value in a array spread position (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+---*/
+var arr = ['a', 'b', 'c'];
+
+var callCount = 0;
+
+class C {static *gen() {
+    callCount += 1;
+    yield [...yield];
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next(false);
+var item = iter.next(arr);
+var value = item.value;
+
+assert.notSameValue(value, arr, 'value is a new array');
+assert(Array.isArray(value), 'value is an Array exotic object');
+assert.sameValue(value.length, 3)
+assert.sameValue(value[0], 'a');
+assert.sameValue(value[1], 'b');
+assert.sameValue(value[2], 'c');
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-obj.js
new file mode 100644
index 0000000000..429f35eb9c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method-static/yield-spread-obj.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-obj.case
+// - src/generators/default/class-decl-static-method.template
+/*---
+description: Use yield value in a object spread position (Static generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [object-spread, generators]
+flags: [generated]
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+var callCount = 0;
+
+class C {static *gen() {
+    callCount += 1;
+    yield {
+        ...yield,
+        y: 1,
+        ...yield yield,
+      };
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+assert.sameValue(item.value.x, 42);
+assert.sameValue(item.value.y, 39);
+assert.sameValue(Object.keys(item.value).length, 2);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..e6d0cf99a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/array-destructuring-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/browser.js b/js/src/tests/test262/language/statements/class/gen-method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-abrupt.js
new file mode 100644
index 0000000000..1b084ac1b8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-abrupt.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-gen-meth.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+var callCount = 0;
+class C {
+  *method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..c7e02f7c79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,112 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: Use of initializer when argument value is not `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+var callCount = 0;
+class C {
+  *method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(false, '', NaN, 0, null, obj).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..1b3131ac20
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-arg-val-undefined.js
@@ -0,0 +1,95 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: Use of initializer when argument value is `undefined` (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+var callCount = 0;
+class C {
+  *method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(undefined, void 0).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-duplicates.js
new file mode 100644
index 0000000000..55875096b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-duplicates.js
@@ -0,0 +1,86 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-later.js
new file mode 100644
index 0000000000..0551964520
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-later.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-gen-meth.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  *method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..f7dd334fd4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-prior.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  *method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(3).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-self.js
new file mode 100644
index 0000000000..aac84e6fa1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-ref-self.js
@@ -0,0 +1,88 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-gen-meth.template
+/*---
+description: Referencing a parameter from within its own initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  *method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-rest.js
new file mode 100644
index 0000000000..1268cbb8d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-rest.js
@@ -0,0 +1,90 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: RestParameter does not support an initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [default-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..23ce717020
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/dflt-params-trailing-comma.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  *method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, undefined, 1).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..d3eb48a9ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-gen-meth.template
+/*---
+description: Forbidden extension, f.arguments (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  *method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..a9a9fa54f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/cls-decl-gen-meth-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  *method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..c63b93776a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..6998ef9360
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..e6305a593c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/cls-decl-gen-meth-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-gen-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, generators]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  *method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method().next();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..416e2791eb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/object-destructuring-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..e59b4461f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-multiple.js
@@ -0,0 +1,87 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  *method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, 39, 1).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 2, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-single.js
new file mode 100644
index 0000000000..0b7c6fddb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/params-trailing-comma-single.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-gen-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  *method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, 39).next();
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/gen-method/rest-param-strict-body.js
new file mode 100644
index 0000000000..ad3b876fec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/rest-param-strict-body.js
@@ -0,0 +1,157 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [rest-parameters, generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/gen-method/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..35fbeeb2f4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,83 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-gen-meth.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+class C {
+  *method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/shell.js b/js/src/tests/test262/language/statements/class/gen-method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier-escaped.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier-escaped.js
new file mode 100644
index 0000000000..17ecc0c5d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier-escaped.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    var yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier.js
new file mode 100644
index 0000000000..76e2b87f32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-binding-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-binding-identifier.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a binding identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    BindingIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    var yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference-escaped.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference-escaped.js
new file mode 100644
index 0000000000..670dc2e705
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference-escaped.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    void yi\u0065ld;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference.js
new file mode 100644
index 0000000000..b3701c7e7d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-identifier-reference.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-identifier-reference.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as an identifier reference. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    IdentifierReference : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    void yield;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier-escaped.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier-escaped.js
new file mode 100644
index 0000000000..f8173bc45f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier-escaped.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier-escaped.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    yi\u0065ld: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier.js b/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier.js
new file mode 100644
index 0000000000..ef0b7e2ca6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-as-label-identifier.js
@@ -0,0 +1,36 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-as-label-identifier.case
+// - src/generators/syntax/class-decl-method.template
+/*---
+description: yield is a reserved keyword within generator function bodies and may not be used as a label identifier. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Yield] parameter and
+    StringValue of Identifier is "yield".
+
+---*/
+$DONOTEVALUATE();
+
+class C { *gen() {
+    yield: ;
+}}
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..66078a5fb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,54 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-spread-strict.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [object-spread, generators]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-strict-strict.js b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-strict-strict.js
new file mode 100644
index 0000000000..ba5630356b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-strict-strict.js
@@ -0,0 +1,45 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-strict.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: It's an early error if the generator body has another function body with yield as an identifier in strict mode. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    (function() {
+        var yield;
+        throw new Test262Error();
+      }())
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..5fc963769b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-multiple.js
@@ -0,0 +1,52 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-multiple.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: Use yield value in a array spread position (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    yield [...yield yield];
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+item = iter.next(item.value);
+
+assert.compareArray(item.value, arr);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-single.js b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-single.js
new file mode 100644
index 0000000000..d93a8847dc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-arr-single.js
@@ -0,0 +1,54 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-single.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: Use yield value in a array spread position (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [generators]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+---*/
+var arr = ['a', 'b', 'c'];
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    yield [...yield];
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next(false);
+var item = iter.next(arr);
+var value = item.value;
+
+assert.notSameValue(value, arr, 'value is a new array');
+assert(Array.isArray(value), 'value is an Array exotic object');
+assert.sameValue(value.length, 3)
+assert.sameValue(value[0], 'a');
+assert.sameValue(value[1], 'b');
+assert.sameValue(value[2], 'c');
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-spread-obj.js b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-obj.js
new file mode 100644
index 0000000000..54171419bd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-spread-obj.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-obj.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: Use yield value in a object spread position (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [object-spread, generators]
+flags: [generated]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    yield {
+        ...yield,
+        y: 1,
+        ...yield yield,
+      };
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+assert.sameValue(item.value.x, 42);
+assert.sameValue(item.value.y, 39);
+assert.sameValue(Object.keys(item.value).length, 2);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/getter-param-dflt.js b/js/src/tests/test262/language/statements/class/getter-param-dflt.js
new file mode 100644
index 0000000000..f5d813fff0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/getter-param-dflt.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions
+es6id: 14.3
+description: >
+  Get accessor method may not have a formal parameter (regardless of the
+  presence of an initializer)
+info: |
+  Syntax
+
+  MethodDefinition[Yield] :
+
+    get PropertyName[?Yield] ( ) { FunctionBody }
+features: [default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C { get a(param = null) {} }
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-break-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-break-escaped.js
new file mode 100644
index 0000000000..bfcedac619
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-break-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/break-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: break is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  bre\u0061k() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['break'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-case-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-case-escaped.js
new file mode 100644
index 0000000000..6830cb6187
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-case-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/case-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: case is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  c\u0061se() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['case'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-catch-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-catch-escaped.js
new file mode 100644
index 0000000000..4f4cf9068f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-catch-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/catch-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: catch is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  c\u0061tch() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['catch'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-class-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-class-escaped.js
new file mode 100644
index 0000000000..2b16ead2e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-class-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/class-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: class is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  cl\u0061ss() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['class'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-const-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-const-escaped.js
new file mode 100644
index 0000000000..5083eeb0f7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-const-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/const-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: const is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0063onst() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['const'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-continue-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-continue-escaped.js
new file mode 100644
index 0000000000..e99588679b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-continue-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/continue-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: continue is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0063ontinue() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['continue'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-debugger-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-debugger-escaped.js
new file mode 100644
index 0000000000..b0657b5cf6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-debugger-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/debugger-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: debugger is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0064ebugger() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['debugger'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped-ext.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped-ext.js
new file mode 100644
index 0000000000..a7b6bdf12a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped-ext.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/default-escaped-ext.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: default is a valid identifier name, using extended escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  def\u{61}ult() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['default'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped.js
new file mode 100644
index 0000000000..e3fd1ee427
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-default-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/default-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: default is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  def\u0061ult() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['default'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-default.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-default.js
new file mode 100644
index 0000000000..47a92739ca
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-default.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/default.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: default is a valid identifier name (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  default() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['default'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-delete-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-delete-escaped.js
new file mode 100644
index 0000000000..fa1ed7ed4c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-delete-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/delete-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: delete is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0064elete() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['delete'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-do-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-do-escaped.js
new file mode 100644
index 0000000000..bcfa66ae50
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-do-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/do-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: do is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0064o() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['do'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-else-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-else-escaped.js
new file mode 100644
index 0000000000..384dddc501
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-else-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/else-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: else is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0065lse() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['else'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-enum-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-enum-escaped.js
new file mode 100644
index 0000000000..6a9c5a580c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-enum-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/enum-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: enum is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0065num() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['enum'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-export-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-export-escaped.js
new file mode 100644
index 0000000000..9d057327a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-export-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/export-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: export is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0065xport() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['export'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped-ext.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped-ext.js
new file mode 100644
index 0000000000..d880700cf1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped-ext.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/extends-escaped-ext.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: extends is a valid identifier name, using extended escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u{65}xtends() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['extends'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped.js
new file mode 100644
index 0000000000..df0ecebdcc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/extends-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: extends is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0065xtends() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['extends'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-extends.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends.js
new file mode 100644
index 0000000000..c8b6b46db7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-extends.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/extends.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: extends is a valid identifier name (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  extends() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['extends'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-finally-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-finally-escaped.js
new file mode 100644
index 0000000000..01ae276115
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-finally-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/finally-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: finally is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0066inally() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['finally'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-for-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-for-escaped.js
new file mode 100644
index 0000000000..34737f7bb4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-for-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/for-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: for is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0066or() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['for'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-function-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-function-escaped.js
new file mode 100644
index 0000000000..6230712a8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-function-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/function-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: function is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0066unction() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['function'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-if-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-if-escaped.js
new file mode 100644
index 0000000000..5f68c226a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-if-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/if-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: if is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  i\u0066() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['if'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-implements-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-implements-escaped.js
new file mode 100644
index 0000000000..ecc8d182ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-implements-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/implements-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: implements is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0069mplements() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['implements'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-import-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-import-escaped.js
new file mode 100644
index 0000000000..fef86812b0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-import-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/import-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: import is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0069mport() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['import'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-in-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-in-escaped.js
new file mode 100644
index 0000000000..4b228a3110
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-in-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/in-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: in is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0069n() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['in'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-instanceof-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-instanceof-escaped.js
new file mode 100644
index 0000000000..3169ec3265
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-instanceof-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/instanceof-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: instanceof is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  \u0069nstanceof() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['instanceof'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-interface-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-interface-escaped.js
new file mode 100644
index 0000000000..0f13a0c9f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-interface-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/interface-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: interface is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  interf\u0061ce() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['interface'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-let-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-let-escaped.js
new file mode 100644
index 0000000000..c240a393cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-let-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/let-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: let is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  l\u0065t() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['let'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-new-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-new-escaped.js
new file mode 100644
index 0000000000..4e3b9988f9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-new-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/new-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: new is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  n\u0065w() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['new'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-package-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-package-escaped.js
new file mode 100644
index 0000000000..815418c6ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-package-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/package-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: package is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  p\u0061ckage() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['package'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-private-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-private-escaped.js
new file mode 100644
index 0000000000..bb38984d92
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-private-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/private-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: private is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  privat\u0065() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['private'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-protected-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-protected-escaped.js
new file mode 100644
index 0000000000..11aacc7112
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-protected-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/protected-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: protected is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  prot\u0065cted() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['protected'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-public-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-public-escaped.js
new file mode 100644
index 0000000000..7d64d6ed91
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-public-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/public-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: public is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  pu\u0062lic() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['public'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-return-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-return-escaped.js
new file mode 100644
index 0000000000..250774c536
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-return-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/return-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: return is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  r\u0065turn() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['return'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-static-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-static-escaped.js
new file mode 100644
index 0000000000..2976f6dcb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-static-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/static-escaped.case
+// - src/identifier-names/future-reserved-words/class-statement-method-def.template
+/*---
+description: static is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  st\u0061tic() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['static'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-super-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-super-escaped.js
new file mode 100644
index 0000000000..e0392ac5ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-super-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/super-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: super is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  sup\u0065r() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['super'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-switch-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-switch-escaped.js
new file mode 100644
index 0000000000..5d3388b8e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-switch-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/switch-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: switch is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  sw\u0069tch() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['switch'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-this-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-this-escaped.js
new file mode 100644
index 0000000000..073901ff5d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-this-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/this-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: this is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  th\u0069s() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['this'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-throw-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-throw-escaped.js
new file mode 100644
index 0000000000..bbf8d8acd8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-throw-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/throw-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: throw is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  t\u0068row() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['throw'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-try-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-try-escaped.js
new file mode 100644
index 0000000000..0187eb665d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-try-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/try-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: try is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  tr\u0079() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['try'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-typeof-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-typeof-escaped.js
new file mode 100644
index 0000000000..10bf1065f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-typeof-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/typeof-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: typeof is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  typ\u0065of() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['typeof'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-var-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-var-escaped.js
new file mode 100644
index 0000000000..5cb915a3e1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-var-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/var-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: var is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  v\u0061r() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['var'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-void-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-void-escaped.js
new file mode 100644
index 0000000000..a290a9dd88
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-void-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/void-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: void is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  voi\u0064() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['void'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-while-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-while-escaped.js
new file mode 100644
index 0000000000..cfde8f919a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-while-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/while-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: while is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  whil\u0065() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['while'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/ident-name-method-def-with-escaped.js b/js/src/tests/test262/language/statements/class/ident-name-method-def-with-escaped.js
new file mode 100644
index 0000000000..07309d0177
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/ident-name-method-def-with-escaped.js
@@ -0,0 +1,48 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/with-escaped.case
+// - src/identifier-names/default/class-statement-method-def.template
+/*---
+description: with is a valid identifier name, using escape (MethodDefinition)
+esid: prod-PropertyDefinition
+features: [class]
+flags: [generated]
+info: |
+    ObjectLiteral :
+      { PropertyDefinitionList }
+      { PropertyDefinitionList , }
+
+    PropertyDefinitionList:
+      PropertyDefinition
+      PropertyDefinitionList , PropertyDefinition
+
+    PropertyDefinition:
+      MethodDefinition
+      ...
+
+    MethodDefinition:
+      PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+    PropertyName:
+      LiteralPropertyName
+      ...
+
+    LiteralPropertyName:
+      IdentifierName
+      ...
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+
+---*/
+
+
+class C {
+  w\u0069th() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['with'](), 42, 'property exists');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-length-dflt.js b/js/src/tests/test262/language/statements/class/method-length-dflt.js
new file mode 100644
index 0000000000..c57f8a2236
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-length-dflt.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.1.6
+description: >
+  Default parameters' effect on function length
+info: |
+  Function length is counted by the non initialized parameters in the left.
+
+  9.2.4 FunctionInitialize (F, kind, ParameterList, Body, Scope)
+
+  [...]
+  2. Let len be the ExpectedArgumentCount of ParameterList.
+  3. Perform ! DefinePropertyOrThrow(F, "length", PropertyDescriptor{[[Value]]:
+     len, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true}).
+  [...]
+
+  FormalsList : FormalParameter
+
+    1. If HasInitializer of FormalParameter is true return 0
+    2. Return 1.
+
+  FormalsList : FormalsList , FormalParameter
+
+    1. Let count be the ExpectedArgumentCount of FormalsList.
+    2. If HasInitializer of FormalsList is true or HasInitializer of
+    FormalParameter is true, return count.
+    3. Return count+1.
+features: [default-parameters]
+includes: [propertyHelper.js]
+---*/
+
+class C1 { m(x = 42) {} }
+
+var m1 = C1.prototype.m;
+
+assert.sameValue(m1.length, 0, 'formalslist: x = 42');
+verifyNotEnumerable(m1, 'length');
+verifyNotWritable(m1, 'length');
+verifyConfigurable(m1, 'length');
+
+class C2 { m(x = 42, y) {} }
+
+var m2 = C2.prototype.m;
+
+assert.sameValue(m2.length, 0, 'formalslist: x = 42, y');
+verifyNotEnumerable(m2, 'length');
+verifyNotWritable(m2, 'length');
+verifyConfigurable(m2, 'length');
+
+class C3 { m(x, y = 42) {} }
+
+var m3 = C3.prototype.m;
+
+assert.sameValue(m3.length, 1, 'formalslist: x, y = 42');
+verifyNotEnumerable(m3, 'length');
+verifyNotWritable(m3, 'length');
+verifyConfigurable(m3, 'length');
+
+class C4 { m(x, y = 42, z) {} }
+
+var m4 = C4.prototype.m;
+
+assert.sameValue(m4.length, 1, 'formalslist: x, y = 42, z');
+verifyNotEnumerable(m4, 'length');
+verifyNotWritable(m4, 'length');
+verifyConfigurable(m4, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-param-yield.js b/js/src/tests/test262/language/statements/class/method-param-yield.js
new file mode 100644
index 0000000000..a6caac76cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-param-yield.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions
+es6id: 14.3
+description: >
+  YieldExpression cannot be used within the FormalParameters of a class method
+info: |
+  MethodDefinition[Yield] :
+
+    PropertyName[?Yield] ( StrictFormalParameters ) { FunctionBody }
+features: [generators, default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  m(x = yield) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/method-static/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..9f515ac743
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/array-destructuring-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/browser.js b/js/src/tests/test262/language/statements/class/method-static/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-abrupt.js
new file mode 100644
index 0000000000..92e9bba807
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-abrupt.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-meth-static.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+var callCount = 0;
+class C {
+  static method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..6847bb534e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: Use of initializer when argument value is not `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+var callCount = 0;
+class C {
+  static method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(false, '', NaN, 0, null, obj);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..802862c01f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-arg-val-undefined.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: Use of initializer when argument value is `undefined` (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+var callCount = 0;
+class C {
+  static method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(undefined, void 0);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-duplicates.js
new file mode 100644
index 0000000000..8c4b05c71a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-duplicates.js
@@ -0,0 +1,83 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-later.js
new file mode 100644
index 0000000000..b4fa9f3992
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-later.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-meth-static.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..7ba959125a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-prior.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+C.method(3);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-self.js
new file mode 100644
index 0000000000..42013042ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-ref-self.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-meth-static.template
+/*---
+description: Referencing a parameter from within its own initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  static method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-rest.js
new file mode 100644
index 0000000000..a7841ccd90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-rest.js
@@ -0,0 +1,87 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: RestParameter does not support an initializer (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/method-static/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..c8c78c68c7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/dflt-params-trailing-comma.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, undefined, 1);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..4b4d3b0078
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-meth-static.template
+/*---
+description: Forbidden extension, f.arguments (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  static method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..f98dede24d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/cls-decl-meth-static-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  static method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..9403f1f66b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..177e2303d1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..8331dceed3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/cls-decl-meth-static-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth-static.template
+/*---
+description: Forbidden extension, o.caller (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  static method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method-static/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/method-static/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..0719ae9c12
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/object-destructuring-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..07792de2ef
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-multiple.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, 39, 1);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 2, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-single.js
new file mode 100644
index 0000000000..0e9e5914d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/params-trailing-comma-single.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-meth-static.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  static method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+C.method(42, 39);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method-static/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/method-static/rest-param-strict-body.js
new file mode 100644
index 0000000000..f3557563c6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/rest-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/method-static/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..4dafdc9681
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,79 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-meth-static.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+class C {
+  static method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method-static/shell.js b/js/src/tests/test262/language/statements/class/method-static/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method-static/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method/array-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/method/array-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..ec50f6f725
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/array-destructuring-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/array-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: ArrayBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method([element]) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/browser.js b/js/src/tests/test262/language/statements/class/method/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-abrupt.js b/js/src/tests/test262/language/statements/class/method/dflt-params-abrupt.js
new file mode 100644
index 0000000000..cd6c3a13fc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-abrupt.js
@@ -0,0 +1,84 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-abrupt.case
+// - src/function-forms/error/cls-decl-meth.template
+/*---
+description: Abrupt completion returned by evaluation of initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+
+var callCount = 0;
+class C {
+  method(_ = (function() { throw new Test262Error(); }())) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(Test262Error, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-not-undefined.js b/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-not-undefined.js
new file mode 100644
index 0000000000..18651a613b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-not-undefined.js
@@ -0,0 +1,109 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-not-undefined.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: Use of initializer when argument value is not `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+var obj = {};
+var falseCount = 0;
+var stringCount = 0;
+var nanCount = 0;
+var zeroCount = 0;
+var nullCount = 0;
+var objCount = 0;
+
+var callCount = 0;
+class C {
+  method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
+    assert.sameValue(aFalse, false);
+    assert.sameValue(aString, '');
+    assert.sameValue(aNaN, NaN);
+    assert.sameValue(a0, 0);
+    assert.sameValue(aNull, null);
+    assert.sameValue(aObj, obj);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(false, '', NaN, 0, null, obj);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
+assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
+assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
+assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
+assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
+assert.sameValue(objCount, 0, 'initializer not evaluated: object');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-undefined.js
new file mode 100644
index 0000000000..427e0a2957
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-arg-val-undefined.js
@@ -0,0 +1,92 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-arg-val-undefined.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: Use of initializer when argument value is `undefined` (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    [...]
+    23. Let iteratorRecord be Record {[[Iterator]]:
+        CreateListIterator(argumentsList), [[Done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        a. Perform ? IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+---*/
+
+var callCount = 0;
+class C {
+  method(fromLiteral = 23, fromExpr = 45, fromHole = 99) {
+    assert.sameValue(fromLiteral, 23);
+    assert.sameValue(fromExpr, 45);
+    assert.sameValue(fromHole, 99);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(undefined, void 0);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-duplicates.js b/js/src/tests/test262/language/statements/class/method/dflt-params-duplicates.js
new file mode 100644
index 0000000000..7f538556d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-duplicates.js
@@ -0,0 +1,83 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-duplicates.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.2 Static Semantics: Early Errors
+
+    StrictFormalParameters : FormalParameters
+
+    - It is a Syntax Error if BoundNames of FormalParameters contains any
+      duplicate elements.
+
+    FormalParameters : FormalParameterList
+
+    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
+      false and BoundNames of FormalParameterList contains any duplicate
+      elements.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method(x = 0, x) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-later.js
new file mode 100644
index 0000000000..7182c96538
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-later.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/cls-decl-meth.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  method(x = y, y) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-ref-prior.js b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-prior.js
new file mode 100644
index 0000000000..2318e55d8e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-prior.js
@@ -0,0 +1,89 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-prior.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: Referencing a parameter that occurs earlier in the ParameterList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  method(x, y = x, z = y) {
+    assert.sameValue(x, 3, 'first argument value');
+    assert.sameValue(y, 3, 'second argument value');
+    assert.sameValue(z, 3, 'third argument value');
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(3);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-self.js
new file mode 100644
index 0000000000..720abe5a79
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-ref-self.js
@@ -0,0 +1,85 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/cls-decl-meth.template
+/*---
+description: Referencing a parameter from within its own initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+class C {
+  method(x = x) {
+    
+    callCount = callCount + 1;
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  C.prototype.method();
+});
+assert.sameValue(callCount, 0, 'method body not evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-rest.js b/js/src/tests/test262/language/statements/class/method/dflt-params-rest.js
new file mode 100644
index 0000000000..ad7fad6e70
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-rest.js
@@ -0,0 +1,87 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: RestParameter does not support an initializer (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [default-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method(...x = []) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/class/method/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..0a95459ff6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/dflt-params-trailing-comma.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  method(a, b = 39,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, undefined, 1);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/browser.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-arguments.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-arguments.js
new file mode 100644
index 0000000000..f5892c457f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-arguments.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-arguments.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-meth.template
+/*---
+description: Forbidden extension, f.arguments (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  method() {
+    assert.sameValue(this.method.hasOwnProperty("arguments"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-caller.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-caller.js
new file mode 100644
index 0000000000..62f6e9e322
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/cls-decl-meth-forbidden-ext-direct-access-prop-caller.js
@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-direct-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-one/cls-decl-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    ECMAScript function objects defined using syntactic constructors in strict mode code must
+    not be created with own properties named "caller" or "arguments". Such own properties also
+    must not be created for function objects defined using an ArrowFunction, MethodDefinition,
+    GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression,
+    ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or
+    AsyncArrowFunction regardless of whether the definition is contained in strict mode code.
+    Built-in functions, strict functions created using the Function constructor, generator functions
+    created using the Generator constructor, async functions created using the AsyncFunction
+    constructor, and functions created using the bind method also must not be created with such own
+    properties.
+
+---*/
+
+var callCount = 0;
+class C {
+  method() {
+    assert.sameValue(this.method.hasOwnProperty("caller"), false);
+    callCount++;
+  }
+}
+
+C.prototype.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/shell.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b1/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/browser.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..4252206488
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {get(){return 1}});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-value.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
new file mode 100644
index 0000000000..292a409f22
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-own-prop-caller-value.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && true) {
+      Object.defineProperty(inner, "caller", {value: 1});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && true) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-prop-caller.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-prop-caller.js
new file mode 100644
index 0000000000..23577b3c1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/cls-decl-meth-forbidden-ext-indirect-access-prop-caller.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-prop-caller.case
+// - src/function-forms/forbidden-extensions/bullet-two/cls-decl-meth.template
+/*---
+description: Forbidden extension, o.caller (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [class]
+flags: [generated, noStrict]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+
+    If an implementation extends any function object with an own property named "caller" the value of
+    that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+    object. If it is an accessor property, the function that is the value of the property's [[Get]]
+    attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+  // This property may exist, but is forbidden from having a value that is a strict function object
+  return inner.hasOwnProperty("caller")
+    ? inner.caller
+    : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+class C {
+  method() {
+    /* implicit strict */
+    // This and the following conditional value is set in the test's .case file.
+    // For every test that has a "true" value here, there is a
+    // corresponding test that has a "false" value here.
+    // They are generated from two different case files, which use
+    let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+    if (descriptor && descriptor.configurable && false) {
+      Object.defineProperty(inner, "caller", {});
+    }
+    var result = inner();
+    if (descriptor && descriptor.configurable && false) {
+      assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+    }
+
+    // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+    // forbidden-ext-indirect-access-prop-caller.case
+    //
+    // If the function object "inner" has an own property
+    // named "caller", then its value will be returned.
+    //
+    // If the function object "inner" DOES NOT have an
+    // own property named "caller", then the symbol
+    // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+    if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+      assert.notSameValue(result, this.method);
+    }
+    callCount++;
+  }
+}
+
+C.prototype.method();
+assert.sameValue(callCount, 1, 'method body evaluated');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/shell.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/b2/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/browser.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/browser.js
diff --git a/js/src/tests/test262/language/statements/class/method/forbidden-ext/shell.js b/js/src/tests/test262/language/statements/class/method/forbidden-ext/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/forbidden-ext/shell.js
diff --git a/js/src/tests/test262/language/statements/class/method/object-destructuring-param-strict-body.js b/js/src/tests/test262/language/statements/class/method/object-destructuring-param-strict-body.js
new file mode 100644
index 0000000000..950347f1b7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/object-destructuring-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/object-destructuring-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: ObjectBindingPattern and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3.4 Static Semantics: IsSimpleParameterList
+
+    BindingElement : BindingPattern
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method({property}) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/params-trailing-comma-multiple.js b/js/src/tests/test262/language/statements/class/method/params-trailing-comma-multiple.js
new file mode 100644
index 0000000000..06f47ab0e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/params-trailing-comma-multiple.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-multiple.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using multiple parameters (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  method(a, b,) {
+    assert.sameValue(a, 42);
+    assert.sameValue(b, 39);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, 39, 1);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 2, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/method/params-trailing-comma-single.js
new file mode 100644
index 0000000000..1b264c609c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/params-trailing-comma-single.js
@@ -0,0 +1,82 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/params-trailing-comma-single.case
+// - src/function-forms/default/cls-decl-meth.template
+/*---
+description: A trailing comma should not increase the respective length, using a single parameter (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+class C {
+  method(a,) {
+    assert.sameValue(a, 42);
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(42, 39);
+
+// Stores a reference `ref` for case evaluation
+var ref = C.prototype.method;
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/method/rest-param-strict-body.js b/js/src/tests/test262/language/statements/class/method/rest-param-strict-body.js
new file mode 100644
index 0000000000..0a6215c24c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/rest-param-strict-body.js
@@ -0,0 +1,154 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-param-strict-body.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: RestParameter and Use Strict Directive are not allowed to coexist for the same function. (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [rest-parameters]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.13 Static Semantics: IsSimpleParameterList
+
+    FormalParameters : FormalParameterList , FunctionRestParameter
+
+    1. Return false.
+
+    14.1.2 Static Semantics: Early Errors
+
+    FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
+    FunctionExpression : function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.2.1 Static Semantics: Early Errors
+
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of ConciseBody is true and
+      IsSimpleParameterList of ArrowParameters is false.
+
+    14.3.1 Static Semantics: Early Errors
+
+    MethodDefinition : PropertyName ( UniqueFormalParameters ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    MethodDefinition : set PropertyName ( PropertySetParameterList ) { FunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
+      IsSimpleParameterList of PropertySetParameterList is false.
+
+    14.4.1 Static Semantics: Early Errors
+
+    GeneratorMethod : * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    GeneratorDeclaration : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+    GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+    GeneratorExpression : function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of GeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    14.5.1 Static Semantics: Early Errors
+
+    AsyncGeneratorMethod : async * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncGeneratorDeclaration : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorDeclaration : async function * ( FormalParameters ) { AsyncGeneratorBody }
+    AsyncGeneratorExpression : async function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncGeneratorBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.7.1 Static Semantics: Early Errors
+
+    AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of UniqueFormalParameters is false.
+
+    AsyncFunctionDeclaration : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionDeclaration : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
+    AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncFunctionBody is true and
+      IsSimpleParameterList of FormalParameters is false.
+
+    14.8.1 Static Semantics: Early Errors
+
+    AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    - It is a Syntax Error if ContainsUseStrict of AsyncConciseBody is true and
+      IsSimpleParameterList of CoverCallExpressionAndAsyncArrowHead is false.
+
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method(a,...rest) {
+    "use strict";
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/rest-params-trailing-comma-early-error.js b/js/src/tests/test262/language/statements/class/method/rest-params-trailing-comma-early-error.js
new file mode 100644
index 0000000000..68072feed6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/rest-params-trailing-comma-early-error.js
@@ -0,0 +1,79 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/rest-params-trailing-comma-early-error.case
+// - src/function-forms/syntax/cls-decl-meth.template
+/*---
+description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] :
+        [empty]
+        FunctionRestParameter[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await]
+        FormalParameterList[?Yield, ?Await] ,
+        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
+---*/
+$DONOTEVALUATE();
+
+class C {
+  method(...a,) {
+    
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/method/shell.js b/js/src/tests/test262/language/statements/class/method/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/method/shell.js
diff --git a/js/src/tests/test262/language/statements/class/name-binding/basic.js b/js/src/tests/test262/language/statements/class/name-binding/basic.js
new file mode 100644
index 0000000000..cdee07ecc5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/basic.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding
+---*/
+var C2;
+class C {
+  constructor() {
+    C2 = C;
+  }
+  m() {
+    C2 = C;
+  }
+  get x() {
+    C2 = C;
+  }
+  set x(_) {
+    C2 = C;
+  }
+}
+new C();
+assert.sameValue(C, C2, "The value of `C` is `C2`");
+
+C2 = undefined;
+new C().m();
+assert.sameValue(C, C2, "The value of `C` is `C2`");
+
+C2 = undefined;
+new C().x;
+assert.sameValue(C, C2, "The value of `C` is `C2`");
+
+C2 = undefined;
+new C().x = 1;
+assert.sameValue(C, C2, "The value of `C` is `C2`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/browser.js b/js/src/tests/test262/language/statements/class/name-binding/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/browser.js
diff --git a/js/src/tests/test262/language/statements/class/name-binding/const.js b/js/src/tests/test262/language/statements/class/name-binding/const.js
new file mode 100644
index 0000000000..326ac008a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/const.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding const
+---*/
+assert.throws(TypeError, function() {
+  class C { constructor() { C = 42; } }; new C();
+});
+assert.throws(TypeError, function() {
+  new (class C { constructor() { C = 42; } })
+});
+assert.throws(TypeError, function() {
+  class C { m() { C = 42; } }; new C().m()
+});
+assert.throws(TypeError, function() {
+  new (class C { m() { C = 42; } }).m()
+});
+assert.throws(TypeError, function() {
+  class C { get x() { C = 42; } }; new C().x
+});
+assert.throws(TypeError, function() {
+  (new (class C { get x() { C = 42; } })).x
+});
+assert.throws(TypeError, function() {
+  class C { set x(_) { C = 42; } }; new C().x = 15;
+});
+assert.throws(TypeError, function() {
+  (new (class C { set x(_) { C = 42; } })).x = 15;
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/expression.js b/js/src/tests/test262/language/statements/class/name-binding/expression.js
new file mode 100644
index 0000000000..26a584e479
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/expression.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding expression
+---*/
+var Cc;
+var Cm;
+var Cgx;
+var Csx;
+var Cv = class C {
+  constructor() {
+    assert.sameValue(C, Cv, "The value of `C` is `Cv`, inside `constructor()`");
+    Cc = C;
+  }
+  m() {
+    assert.sameValue(C, Cv, "The value of `C` is `Cv`, inside `m()`");
+    Cm = C;
+  }
+  get x() {
+    assert.sameValue(C, Cv, "The value of `C` is `Cv`, inside `get x()`");
+    Cgx = C;
+  }
+  set x(_) {
+    assert.sameValue(C, Cv, "The value of `C` is `Cv`, inside `set x()`");
+    Csx = C;
+  }
+};
+
+new Cv();
+assert.sameValue(Cc, Cv, "The value of `Cc` is `Cv`, after executing `new Cv();`");
+
+new Cv().m();
+assert.sameValue(Cm, Cv, "The value of `Cm` is `Cv`, after executing `new Cv().m();`");
+
+new Cv().x;
+assert.sameValue(Cgx, Cv, "The value of `Cgx` is `Cv`, after executing `new Cv().x;`");
+
+new Cv().x = 1;
+assert.sameValue(Csx, Cv, "The value of `Csx` is `Cv`, after executing `new Cv().x = 1;`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-assigned.js b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-assigned.js
new file mode 100644
index 0000000000..eb0b9818f6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-assigned.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding in extends expression, assigned
+---*/
+assert.throws(ReferenceError, function() {
+  var x = (class x extends x {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-grouped.js b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-grouped.js
new file mode 100644
index 0000000000..c4259d8ae4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression-grouped.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding in extends expression, grouped
+---*/
+
+assert.throws(ReferenceError, function() {
+  (class x extends x {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression.js b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression.js
new file mode 100644
index 0000000000..cd586bc04b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/in-extends-expression.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class name binding in extends expression
+---*/
+assert.throws(ReferenceError, function() {
+  class x extends x {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/name-binding/shell.js b/js/src/tests/test262/language/statements/class/name-binding/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name-binding/shell.js
diff --git a/js/src/tests/test262/language/statements/class/name.js b/js/src/tests/test262/language/statements/class/name.js
new file mode 100644
index 0000000000..a426556179
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/name.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 14.5.15
+description: Assignment of function `name` attribute
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    [...]
+    6. If hasNameProperty is false, then perform SetFunctionName(value,
+       className).
+includes: [propertyHelper.js]
+---*/
+
+class Test262 {}
+
+assert.sameValue(Test262.name, 'Test262');
+verifyNotEnumerable(Test262, 'name');
+verifyNotWritable(Test262, 'name');
+verifyConfigurable(Test262, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-args-unmapped.js b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-args-unmapped.js
new file mode 100644
index 0000000000..ca91616981
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-args-unmapped.js
@@ -0,0 +1,106 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+es6id: 14.5.16
+features: [generators, default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method(x, _ = 0) {
+    assert.sameValue(x, undefined, 'parameter binding value (initial)');
+    assert.sameValue(
+      arguments[0], undefined, 'arguments property value (initial)'
+    );
+
+    arguments[0] = 1;
+
+    assert.sameValue(
+      x, undefined, 'parameter binding value (after arguments modification)'
+    );
+    assert.sameValue(
+      arguments[0], 1, 'arguments property value (after arguments modification)'
+    );
+
+    x = 2;
+
+    assert.sameValue(
+      x, 2, 'parameter binding value (after parameter binding modification)'
+    );
+    assert.sameValue(
+      arguments[0],
+      1,
+      'arguments property value (after parameter binding modification)'
+    );
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method().next();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js
new file mode 100644
index 0000000000..36f27467df
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-ref-arguments.js
@@ -0,0 +1,85 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+es6id: 14.5.16
+features: [generators, default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method(x = arguments[2], y = arguments[3], z) {
+    assert.sameValue(x, 'third', 'first parameter');
+    assert.sameValue(y, 'fourth', 'second parameter');
+    assert.sameValue(z, 'third', 'third parameter');
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(undefined, undefined, 'third', 'fourth').next();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-args-unmapped.js b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-args-unmapped.js
new file mode 100644
index 0000000000..fde66a0534
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-args-unmapped.js
@@ -0,0 +1,106 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [generators, default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method(x, _ = 0) {
+    assert.sameValue(x, undefined, 'parameter binding value (initial)');
+    assert.sameValue(
+      arguments[0], undefined, 'arguments property value (initial)'
+    );
+
+    arguments[0] = 1;
+
+    assert.sameValue(
+      x, undefined, 'parameter binding value (after arguments modification)'
+    );
+    assert.sameValue(
+      arguments[0], 1, 'arguments property value (after arguments modification)'
+    );
+
+    x = 2;
+
+    assert.sameValue(
+      x, 2, 'parameter binding value (after parameter binding modification)'
+    );
+    assert.sameValue(
+      arguments[0],
+      1,
+      'arguments property value (after parameter binding modification)'
+    );
+    callCount = callCount + 1;
+  }
+}
+
+C.method().next();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-ref-arguments.js b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-ref-arguments.js
new file mode 100644
index 0000000000..8cf52d1a56
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-gen-meth-static-ref-arguments.js
@@ -0,0 +1,85 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (static class expression generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [generators, default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod is strict mode code,
+       let strict be true. Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, scope, strict).
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static *method(x = arguments[2], y = arguments[3], z) {
+    assert.sameValue(x, 'third', 'first parameter');
+    assert.sameValue(y, 'fourth', 'second parameter');
+    assert.sameValue(z, 'third', 'third parameter');
+    callCount = callCount + 1;
+  }
+}
+
+C.method(undefined, undefined, 'third', 'fourth').next();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-meth-args-unmapped.js b/js/src/tests/test262/language/statements/class/params-dflt-meth-args-unmapped.js
new file mode 100644
index 0000000000..e38673c6b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-meth-args-unmapped.js
@@ -0,0 +1,104 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments. 
+---*/
+
+var callCount = 0;
+class C {
+  method(x, _ = 0) {
+    assert.sameValue(x, undefined, 'parameter binding value (initial)');
+    assert.sameValue(
+      arguments[0], undefined, 'arguments property value (initial)'
+    );
+
+    arguments[0] = 1;
+
+    assert.sameValue(
+      x, undefined, 'parameter binding value (after arguments modification)'
+    );
+    assert.sameValue(
+      arguments[0], 1, 'arguments property value (after arguments modification)'
+    );
+
+    x = 2;
+
+    assert.sameValue(
+      x, 2, 'parameter binding value (after parameter binding modification)'
+    );
+    assert.sameValue(
+      arguments[0],
+      1,
+      'arguments property value (after parameter binding modification)'
+    );
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-meth-ref-arguments.js b/js/src/tests/test262/language/statements/class/params-dflt-meth-ref-arguments.js
new file mode 100644
index 0000000000..ce6906e22c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-meth-ref-arguments.js
@@ -0,0 +1,83 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  method(x = arguments[2], y = arguments[3], z) {
+    assert.sameValue(x, 'third', 'first parameter');
+    assert.sameValue(y, 'fourth', 'second parameter');
+    assert.sameValue(z, 'third', 'third parameter');
+    callCount = callCount + 1;
+  }
+}
+
+C.prototype.method(undefined, undefined, 'third', 'fourth');
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-meth-static-args-unmapped.js b/js/src/tests/test262/language/statements/class/params-dflt-meth-static-args-unmapped.js
new file mode 100644
index 0000000000..5765b8ef0f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-meth-static-args-unmapped.js
@@ -0,0 +1,104 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments. 
+---*/
+
+var callCount = 0;
+class C {
+  static method(x, _ = 0) {
+    assert.sameValue(x, undefined, 'parameter binding value (initial)');
+    assert.sameValue(
+      arguments[0], undefined, 'arguments property value (initial)'
+    );
+
+    arguments[0] = 1;
+
+    assert.sameValue(
+      x, undefined, 'parameter binding value (after arguments modification)'
+    );
+    assert.sameValue(
+      arguments[0], 1, 'arguments property value (after arguments modification)'
+    );
+
+    x = 2;
+
+    assert.sameValue(
+      x, 2, 'parameter binding value (after parameter binding modification)'
+    );
+    assert.sameValue(
+      arguments[0],
+      1,
+      'arguments property value (after parameter binding modification)'
+    );
+    callCount = callCount + 1;
+  }
+}
+
+C.method();
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/params-dflt-meth-static-ref-arguments.js b/js/src/tests/test262/language/statements/class/params-dflt-meth-static-ref-arguments.js
new file mode 100644
index 0000000000..fc107fd2e6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/params-dflt-meth-static-ref-arguments.js
@@ -0,0 +1,83 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Referencing the arguments object from a default parameter (static class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [default-parameters]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+---*/
+
+var callCount = 0;
+class C {
+  static method(x = arguments[2], y = arguments[3], z) {
+    assert.sameValue(x, 'third', 'first parameter');
+    assert.sameValue(y, 'fourth', 'second parameter');
+    assert.sameValue(z, 'third', 'third parameter');
+    callCount = callCount + 1;
+  }
+}
+
+C.method(undefined, undefined, 'third', 'fourth');
+
+assert.sameValue(callCount, 1, 'method invoked exactly once');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/poisoned-underscore-proto.js b/js/src/tests/test262/language/statements/class/poisoned-underscore-proto.js
new file mode 100644
index 0000000000..5f71e08af1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/poisoned-underscore-proto.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: prod-ClassDeclaration
+description: >
+  ClassDeclaration should directly set [[Prototype]] internal slot.
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  7. Let proto be ObjectCreate(protoParent).
+
+  ObjectCreate ( proto [ , internalSlotsList ] )
+
+  [...]
+  4. Set obj.[[Prototype]] to proto.
+features: [class]
+---*/
+
+Object.defineProperty(Object.prototype, '__proto__', {
+  set: function() {
+    throw new Test262Error('should not be called');
+  },
+});
+
+class A extends Array {}
+
+assert.sameValue(new A(1).length, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/private-non-static-getter-static-setter-early-error.js b/js/src/tests/test262/language/statements/class/private-non-static-getter-static-setter-early-error.js
new file mode 100644
index 0000000000..7bfce814cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/private-non-static-getter-static-setter-early-error.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: >
+    It is a Syntax Error if we declare a private instance getter and private static setter
+features: [class-static-methods-private, class-methods-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  get #f() {}
+  static set #f(v) {}
+}
+
diff --git a/js/src/tests/test262/language/statements/class/private-non-static-setter-static-getter-early-error.js b/js/src/tests/test262/language/statements/class/private-non-static-setter-static-getter-early-error.js
new file mode 100644
index 0000000000..3710b7c81f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/private-non-static-setter-static-getter-early-error.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: >
+    It is a Syntax Error if we declare a private instance setter and a static private getter
+features: [class-static-methods-private, class-methods-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  set #f(v) {}
+  static get #f() {}
+}
+
diff --git a/js/src/tests/test262/language/statements/class/private-static-getter-non-static-setter-early-error.js b/js/src/tests/test262/language/statements/class/private-static-getter-non-static-setter-early-error.js
new file mode 100644
index 0000000000..fa3e07f438
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/private-static-getter-non-static-setter-early-error.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: >
+    It is a Syntax Error if we declare a private static getter and a private instance setter
+features: [class-static-methods-private, class-methods-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static get #f() {}
+  set #f(v) {}
+}
+
diff --git a/js/src/tests/test262/language/statements/class/private-static-setter-non-static-getter-early-error.js b/js/src/tests/test262/language/statements/class/private-static-setter-non-static-getter-early-error.js
new file mode 100644
index 0000000000..970336b31b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/private-static-setter-non-static-getter-early-error.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: >
+    It is a Syntax Error if we declare a static private setter and a private instance getter
+features: [class-static-methods-private, class-methods-private]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static set #f(v) {}
+  get #f() {}
+}
+
diff --git a/js/src/tests/test262/language/statements/class/restricted-properties.js b/js/src/tests/test262/language/statements/class/restricted-properties.js
new file mode 100644
index 0000000000..25a9b2db1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/restricted-properties.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2015 Caitlin Potter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Functions created using ClassDeclaration syntactic form do not have own
+    properties "caller" or "arguments", but inherit them from
+    %FunctionPrototype%.
+es6id: 16.1
+---*/
+
+class BaseClass {}
+
+assert.sameValue(
+  BaseClass.hasOwnProperty('caller'), false, 'No "caller" own property'
+);
+assert.sameValue(
+  BaseClass.hasOwnProperty('arguments'), false, 'No "arguments" own property'
+);
+
+assert.throws(TypeError, function() {
+  return BaseClass.caller;
+});
+
+assert.throws(TypeError, function() {
+  BaseClass.caller = {};
+});
+
+assert.throws(TypeError, function() {
+  return BaseClass.arguments;
+});
+
+assert.throws(TypeError, function() {
+  BaseClass.arguments = {};
+});
+
+class SubClass extends BaseClass {}
+
+assert.sameValue(
+  SubClass.hasOwnProperty('caller'), false, 'No "caller" own property'
+);
+assert.sameValue(
+  SubClass.hasOwnProperty('arguments'), false, 'No "arguments" own property'
+);
+
+assert.throws(TypeError, function() {
+  return SubClass.caller;
+});
+
+assert.throws(TypeError, function() {
+  SubClass.caller = {};
+});
+
+assert.throws(TypeError, function() {
+  return SubClass.arguments;
+});
+
+assert.throws(TypeError, function() {
+  SubClass.arguments = {};
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-close.js
new file mode 100644
index 0000000000..52f5b6d614
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-close.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+features: [generators]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  *m(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.prototype.m().next();
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-open.js
new file mode 100644
index 0000000000..1a04446edb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-gen-meth-paramsbody-var-open.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+features: [generators]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  *m(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.prototype.m().next();
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-close.js
new file mode 100644
index 0000000000..e22e47f812
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-close.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  m(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.prototype.m();
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-open.js
new file mode 100644
index 0000000000..d66ff74869
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-meth-paramsbody-var-open.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  m(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.prototype.m();
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-name-lex-close.js b/js/src/tests/test262/language/statements/class/scope-name-lex-close.js
new file mode 100644
index 0000000000..11fbcdf31e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-name-lex-close.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: Removal of lexical environment for class "name"
+info: |
+    [...]
+    22. Set the running execution context's LexicalEnvironment to lex.
+    [...]
+---*/
+
+class C {
+  method() {
+    return C;
+  }
+}
+
+var cls = C;
+assert.sameValue(typeof C, 'function');
+C = null;
+assert.sameValue(C, null);
+assert.sameValue(cls.prototype.method(), cls, 'from instance method');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-name-lex-open-heritage.js b/js/src/tests/test262/language/statements/class/scope-name-lex-open-heritage.js
new file mode 100644
index 0000000000..fb2a809b40
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-name-lex-open-heritage.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Creation of new lexical environment for the class "name" (with a heritage)
+info: |
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    4. If className is not undefined, then
+       a. Perform classScopeEnvRec.CreateImmutableBinding(className, true).
+    5. If ClassHeritageopt is not present, then
+       [...]
+    6. Else,
+       a. Set the running execution context's LexicalEnvironment to classScope.
+       [...]
+---*/
+
+var setBefore = function() { C = null; };
+var probeBefore = function() { return C; };
+var probeHeritage, setHeritage;
+
+class C extends (
+    probeHeritage = function() { return C; },
+    setHeritage = function() { C = null; }
+  ) {
+  method() {
+    return C;
+  }
+};
+
+var cls = probeBefore();
+assert.sameValue(typeof cls, 'function');
+setBefore();
+assert.sameValue(probeBefore(), null);
+assert.sameValue(probeHeritage(), cls, 'inner binding is independent');
+assert.throws(
+  TypeError, setHeritage, 'inner binding rejects modification'
+);
+assert.sameValue(
+  typeof probeHeritage(), 'function', 'inner binding is immutable'
+);
+assert.sameValue(
+  typeof cls.prototype.method(), 'function', 'from instance method'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-name-lex-open-no-heritage.js b/js/src/tests/test262/language/statements/class/scope-name-lex-open-no-heritage.js
new file mode 100644
index 0000000000..6755b167c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-name-lex-open-no-heritage.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+    Creation of new lexical environment for the class "name" (without a
+    heritage)
+info: |
+    1. Let lex be the LexicalEnvironment of the running execution context.
+    2. Let classScope be NewDeclarativeEnvironment(lex).
+    3. Let classScopeEnvRec be classScope's EnvironmentRecord.
+    4. If className is not undefined, then
+       a. Perform classScopeEnvRec.CreateImmutableBinding(className, true).
+    5. If ClassHeritageopt is not present, then
+       [...]
+    6. Else,
+       a. Set the running execution context's LexicalEnvironment to classScope.
+       [...]
+    11. Set the running execution context's LexicalEnvironment to classScope.
+---*/
+
+var probeBefore = function() { return C; };
+var setBefore = function() { C = null; };
+
+class C {
+  probe() {
+    return C;
+  }
+  modify() {
+    C = null;
+  }
+};
+
+var cls = probeBefore();
+assert.sameValue(typeof cls, 'function');
+setBefore();
+assert.sameValue(probeBefore(), null);
+
+assert.sameValue(cls.prototype.probe(), cls, 'inner binding value');
+assert.throws(
+  TypeError, cls.prototype.modify, 'inner binding rejects modification'
+);
+assert.sameValue(
+  typeof cls.prototype.probe(), 'function', 'inner binding is immutable'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-close.js
new file mode 100644
index 0000000000..3441207a93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-close.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  set a(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.prototype.a = null;
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-open.js
new file mode 100644
index 0000000000..0df927eb66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-setter-paramsbody-var-open.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  set a(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.prototype.a = undefined;
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-close.js
new file mode 100644
index 0000000000..13fe98bfcd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-close.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+features: [generators]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  static *m(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.m().next();
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-open.js
new file mode 100644
index 0000000000..09a890069e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-gen-meth-paramsbody-var-open.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+features: [generators]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  static *m(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.m().next();
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-close.js
new file mode 100644
index 0000000000..cd94ab2977
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-close.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  static m(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.m();
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-open.js
new file mode 100644
index 0000000000..024867a196
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-meth-paramsbody-var-open.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  static m(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.m();
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-close.js b/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-close.js
new file mode 100644
index 0000000000..97976c664a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-close.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Disposal of variable environment for the function body
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var probe;
+
+class C {
+  // A parameter expression is necessary to trigger the creation of the scope
+  // under test.
+  static set a(_ = null) {
+    var x = 'inside';
+    probe = function() { return x; };
+  }
+}
+C.a = null;
+
+var x = 'outside';
+
+assert.sameValue(probe(), 'inside');
+assert.sameValue(x, 'outside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-open.js b/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-open.js
new file mode 100644
index 0000000000..5f5975b048
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/scope-static-setter-paramsbody-var-open.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-functiondeclarationinstantiation
+description: >
+    Creation of new variable environment for the function body (as distinct from
+    that for the function's parameters)
+info: |
+    [...]
+    26. If hasParameterExpressions is false, then
+        [...]
+    27. Else,
+        a. NOTE A separate Environment Record is needed to ensure that closures
+           created by expressions in the formal parameter list do not have
+           visibility of declarations in the function body.
+        b. Let varEnv be NewDeclarativeEnvironment(env).
+        c. Let varEnvRec be varEnv's EnvironmentRecord.
+        d. Set the VariableEnvironment of calleeContext to varEnv.
+        e. Let instantiatedVarNames be a new empty List.
+        [...]
+---*/
+
+var x = 'outside';
+var probeParams, probeBody;
+
+class C {
+  static set a(_ = probeParams = function() { return x; }) {
+    var x = 'inside';
+    probeBody = function() { return x; };
+  }
+}
+C.a = undefined;
+
+assert.sameValue(probeParams(), 'outside');
+assert.sameValue(probeBody(), 'inside');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/setter-length-dflt.js b/js/src/tests/test262/language/statements/class/setter-length-dflt.js
new file mode 100644
index 0000000000..c8099c2415
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/setter-length-dflt.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.1.6
+description: >
+  Default parameters' effect on function length
+info: |
+  Function length is counted by the non initialized parameters in the left.
+
+  9.2.4 FunctionInitialize (F, kind, ParameterList, Body, Scope)
+
+  [...]
+  2. Let len be the ExpectedArgumentCount of ParameterList.
+  3. Perform ! DefinePropertyOrThrow(F, "length", PropertyDescriptor{[[Value]]:
+     len, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true}).
+  [...]
+
+  FormalsList : FormalParameter
+
+    1. If HasInitializer of FormalParameter is true return 0
+    2. Return 1.
+
+  FormalsList : FormalsList , FormalParameter
+
+    1. Let count be the ExpectedArgumentCount of FormalsList.
+    2. If HasInitializer of FormalsList is true or HasInitializer of
+    FormalParameter is true, return count.
+    3. Return count+1.
+features: [default-parameters]
+includes: [propertyHelper.js]
+---*/
+
+class C { set m(x = 42) {} }
+var set = Object.getOwnPropertyDescriptor(C.prototype, 'm').set;
+
+assert.sameValue(set.length, 0, 'FormalsList: x = 42');
+verifyNotEnumerable(set, 'length');
+verifyNotWritable(set, 'length');
+verifyConfigurable(set, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/shell.js b/js/src/tests/test262/language/statements/class/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/shell.js
diff --git a/js/src/tests/test262/language/statements/class/static-classelementname-abrupt-completion.js b/js/src/tests/test262/language/statements/class/static-classelementname-abrupt-completion.js
new file mode 100644
index 0000000000..f18907bedd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-classelementname-abrupt-completion.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class definition should error if evaluation of static ClassElementName errors
+esid: runtime-semantics-class-definition-evaluation
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+  ...
+  27. For each ClassElement e in order from elements
+    a. If IsStatic of e is false, then
+      i. Let fields be the result of performing ClassElementEvaluation
+          for e with arguments proto and false.
+    b. Else,
+      i. Let fields be the result of performing ClassElementEvaluation
+          for e with arguments F and false.
+    c. If fields is an abrupt completion, then
+      i. Set the running execution context's LexicalEnvironment to lex.
+      ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+      iii. Return Completion(status).
+
+features: [class-static-fields-public]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    static [f()]
+  }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-gen-method-param-dflt-yield.js b/js/src/tests/test262/language/statements/class/static-gen-method-param-dflt-yield.js
new file mode 100644
index 0000000000..f9db1da288
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-gen-method-param-dflt-yield.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-generator-function-definitions
+es6id: 14.4
+description: >
+  YieldExpression cannot be used within the FormalParameters of a generator
+  function
+info: |
+  GeneratorMethod[Yield]:
+
+     * PropertyName[?Yield] ( StrictFormalParameters[Yield] ) { GeneratorBody }
+
+  YieldExpression cannot be used within the FormalParameters of a generator
+  function because any expressions that are part of FormalParameters are
+  evaluated before the resulting generator object is in a resumable state.
+features: [generators, default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static *g(x = yield) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-abrupt.js b/js/src/tests/test262/language/statements/class/static-init-abrupt.js
new file mode 100644
index 0000000000..0f94cb1962
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-abrupt.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Returns abrupt completion and halts further class body evaluation
+info: |
+  34. For each element elementRecord of staticElements in List order, do
+      a. If elementRecord is a ClassFieldDefinition Record, then
+         [...]
+      b. Else,
+         i. Assert: fieldRecord is a ClassStaticBlockDefinition Record.
+         ii. Let status be the result of performing EvaluateStaticBlock(F,
+             elementRecord).
+      d. If status is an abrupt completion, then
+          i. Set the running execution context's LexicalEnvironment to lex.
+          ii. Set the running execution context's PrivateEnvironment to
+              outerPrivateEnvironment.
+          iii. Return Completion(status).
+features: [class-static-fields-public, class-static-block]
+---*/
+
+var thrown = new Test262Error();
+var caught;
+var sameBlock = false;
+var subsequentField = false;
+var subsequentBlock = false;
+
+try {
+  class C {
+    static {
+      throw thrown;
+      sameBlock = true;
+    }
+    static x = subsequentField = true;
+    static {
+      subsequentBlock = true;
+    }
+  }
+} catch (error) {
+  caught = error;
+}
+
+assert.sameValue(caught, thrown);
+assert.sameValue(sameBlock, false, 'same block');
+assert.sameValue(subsequentField, false, 'subsequent field');
+assert.sameValue(subsequentBlock, false, 'subsequent block');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-arguments-functions.js b/js/src/tests/test262/language/statements/class/static-init-arguments-functions.js
new file mode 100644
index 0000000000..0473586d1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-arguments-functions.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: The identifier `arguments` is not restricted within function forms
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsArguments of ClassStaticBlockStatementList
+    is true.
+includes: [compareArray.js]
+features: [class-static-block]
+---*/
+
+var fn, fnParam;
+var gen, genParam;
+var asyncFn, asyncFnParam;
+
+class C {
+  static {
+    (function({test262 = fnParam = arguments}) {
+      fn = arguments;
+    })('function');
+
+    (function * ({test262 = genParam = arguments}) {
+      gen = arguments;
+    })('generator function').next();
+
+    (async function ({test262 = asyncFnParam = arguments}) {
+      asyncFn = arguments;
+    })('async function');
+  }
+}
+
+assert.compareArray(['function'], fn, 'body');
+assert.compareArray(['function'], fnParam, 'parameter');
+assert.compareArray(['generator function'], gen, 'body');
+assert.compareArray(['generator function'], genParam, 'parameter');
+assert.compareArray(['async function'], asyncFn, 'body');
+assert.compareArray(['async function'], asyncFnParam, 'parameter');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-arguments-methods.js b/js/src/tests/test262/language/statements/class/static-init-arguments-methods.js
new file mode 100644
index 0000000000..bb4f12c008
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-arguments-methods.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: The identifier `arguments` is not restricted within method forms
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsArguments of ClassStaticBlockStatementList
+    is true.
+includes: [compareArray.js]
+features: [class-static-block]
+---*/
+
+var instance;
+var method, methodParam;
+var getter;
+var setter, setterParam;
+var genMethod, genMethodParam;
+var asyncMethod, asyncMethodParam;
+
+class C {
+  static {
+    instance = new class {
+      method({test262 = methodParam = arguments}) {
+        method = arguments;
+      }
+      get accessor() {
+        getter = arguments;
+      }
+      set accessor({test262 = setterParam = arguments}) {
+        setter = arguments;
+      }
+      *gen({test262 = genMethodParam = arguments}) {
+        genMethod = arguments;
+      }
+      async async({test262 = asyncMethodParam = arguments}) {
+        asyncMethod = arguments;
+      }
+    }();
+  }
+}
+
+instance.method('method');
+instance.accessor;
+instance.accessor = 'setter';
+instance.gen('generator method').next();
+instance.async('async method');
+
+assert.compareArray(['method'], method, 'body');
+assert.compareArray(['method'], methodParam, 'parameter');
+assert.compareArray([], getter, 'body');
+assert.compareArray(['setter'], setter, 'body');
+assert.compareArray(['setter'], setterParam, 'parameter');
+assert.compareArray(['generator method'], genMethod, 'body');
+assert.compareArray(['generator method'], genMethodParam, 'parameter');
+assert.compareArray(['async method'], asyncMethod, 'body');
+assert.compareArray(['async method'], asyncMethodParam, 'parameter');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-await-binding-invalid.js b/js/src/tests/test262/language/statements/class/static-init-await-binding-invalid.js
new file mode 100644
index 0000000000..071063276e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-await-binding-invalid.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: BindingIdentifier may not be `await` within class static blocks
+info: |
+  BindingIdentifier : Identifier
+
+  [...]
+  - It is a Syntax Error if the code matched by this production is nested,
+    directly or indirectly (but not crossing function or static initialization
+    block boundaries), within a ClassStaticBlock and the StringValue of
+    Identifier is "await".
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    class await {}
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-await-binding-valid.js b/js/src/tests/test262/language/statements/class/static-init-await-binding-valid.js
new file mode 100644
index 0000000000..caecf44369
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-await-binding-valid.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: The `await` keyword is interpreted as an identifier within arrow function bodies
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  [...]
+  - It is a Syntax Error if ContainsAwait of ClassStaticBlockStatementList is true.
+features: [class-static-block]
+---*/
+
+class C {
+  static {
+    (() => { class await {} });
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-expr-new-target.js b/js/src/tests/test262/language/statements/class/static-init-expr-new-target.js
new file mode 100644
index 0000000000..8753b03bdd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-expr-new-target.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-operations-on-objects
+description: The "new.target" value within a static initialization block is undefined
+info: |
+  2.1.1 EvaluateStaticBlock ( receiver , blockRecord )
+
+    1. Assert: Type(receiver) is Object.
+    2. Assert: blockRecord is a ClassStaticBlockDefinition Record.
+    3. Perform ? Call(blockRecord.[[Body]], receiver).
+features: [class-static-block]
+---*/
+
+var value = null;
+
+class C {
+  static {
+    value = new.target;
+  }
+}
+
+assert.sameValue(value, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-expr-this.js b/js/src/tests/test262/language/statements/class/static-init-expr-this.js
new file mode 100644
index 0000000000..b71a935c13
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-expr-this.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-operations-on-objects
+description: The "this" value within a static initialization block is the class
+info: |
+  2.1.1 EvaluateStaticBlock ( receiver , blockRecord )
+
+    1. Assert: Type(receiver) is Object.
+    2. Assert: blockRecord is a ClassStaticBlockDefinition Record.
+    3. Perform ? Call(blockRecord.[[Body]], receiver).
+features: [class-static-block]
+---*/
+
+var value;
+
+class C {
+  static {
+    value = this;
+  }
+}
+
+assert.sameValue(value, C);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-arguments.js b/js/src/tests/test262/language/statements/class/static-init-invalid-arguments.js
new file mode 100644
index 0000000000..1b80fe85ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-arguments.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot use `arguments` as an identifier
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsArguments of ClassStaticBlockStatementList
+    is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    (class { [argument\u0073]() {} });
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-await.js b/js/src/tests/test262/language/statements/class/static-init-invalid-await.js
new file mode 100644
index 0000000000..87dc665a6e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-await.js
@@ -0,0 +1,34 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+description: The "Await" parsing context does not apply to the block's statement list
+info: |
+  Syntax
+
+  [...]
+
+  ClassStaticBlockStatementList :
+     StatementList[~Yield, +Await, ~Return]opt
+
+  ## 15.7.1 Static Semantics: Early Errors
+
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsAwait of ClassStaticBlockStatementList is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+async function f() {
+  class C {
+    static {
+      await 0;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-label-dup.js b/js/src/tests/test262/language/statements/class/static-init-invalid-label-dup.js
new file mode 100644
index 0000000000..3f8ffe448e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-label-dup.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot declare duplicate labels
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsDuplicateLabels of
+    ClassStaticBlockStatementList with argument « » is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    x: x: 0;
+  }
+}
+
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-lex-dup.js b/js/src/tests/test262/language/statements/class/static-init-invalid-lex-dup.js
new file mode 100644
index 0000000000..2d750737cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-lex-dup.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot declare duplicate lexically-scoped bindings
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if the LexicallyDeclaredNames of
+    ClassStaticBlockStatementList contains any duplicate entries.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    let x;
+    let x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-lex-var.js b/js/src/tests/test262/language/statements/class/static-init-invalid-lex-var.js
new file mode 100644
index 0000000000..2aa0e4286b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-lex-var.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot declare a lexically-scoped binding and function-scoped binding with the same name.
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if any element of the LexicallyDeclaredNames of
+    ClassStaticBlockStatementList also occurs in the VarDeclaredNames of
+    ClassStaticBlockStatementList.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    let x;
+    var x;
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-return.js b/js/src/tests/test262/language/statements/class/static-init-invalid-return.js
new file mode 100644
index 0000000000..7ee3cbe89b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-return.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+description: The "Return" parsing context does not apply to the block's statement list
+info: |
+  Syntax
+
+  [...]
+
+  ClassStaticBlockStatementList :
+     StatementList[~Yield, +Await, ~Return]opt
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+function f() {
+  class C {
+    static {
+      return;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-super-call.js b/js/src/tests/test262/language/statements/class/static-init-invalid-super-call.js
new file mode 100644
index 0000000000..774bcaf4d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-super-call.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot contain SuperCall
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+  - It is a Syntax Error if HasDirectSuper of ClassStaticBlock is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    super();
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-break-target.js b/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-break-target.js
new file mode 100644
index 0000000000..f5a42e5d0a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-break-target.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot reference an undefined `break` target
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsUndefinedBreakTarget of
+    ClassStaticBlockStatementList with argument « » is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    x: while (false) {
+      break y;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-continue-target.js b/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-continue-target.js
new file mode 100644
index 0000000000..b98dd61045
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-undefined-continue-target.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions-static-semantics-early-errors
+description: Block cannot reference an undefined `continue` target
+info: |
+  ClassStaticBlockBody : ClassStaticBlockStatementList
+
+  - It is a Syntax Error if ContainsUndefinedContinueTarget of
+    ClassStaticBlockStatementList with arguments « » and « » is true.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static {
+    x: while (false) {
+      continue y;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-invalid-yield.js b/js/src/tests/test262/language/statements/class/static-init-invalid-yield.js
new file mode 100644
index 0000000000..bd872a1e85
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-invalid-yield.js
@@ -0,0 +1,28 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+description: The "Yield" parsing context does not apply to the block's statement list
+info: |
+  Syntax
+
+  [...]
+
+  ClassStaticBlockStatementList :
+     StatementList[~Yield, +Await, ~Return]opt
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-static-block]
+---*/
+
+$DONOTEVALUATE();
+
+function * g() {
+  class C {
+    static {
+      yield;
+    }
+  }
+}
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-lex-close.js b/js/src/tests/test262/language/statements/class/static-init-scope-lex-close.js
new file mode 100644
index 0000000000..e433a49a5f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-lex-close.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Destruction of environment record for variable-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+var test262 = 'outer scope';
+var probe;
+
+class C {
+  static {
+    let test262 = 'first block';
+  }
+  static {
+    probe = test262;
+  }
+}
+
+assert.sameValue(probe, 'outer scope');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-lex-derived.js b/js/src/tests/test262/language/statements/class/static-init-scope-lex-derived.js
new file mode 100644
index 0000000000..364583c077
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-lex-derived.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Derivation of environment record for lexically-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+let probe;
+
+class C {
+  static {
+    probe = C;
+  }
+}
+
+assert.sameValue(probe, C);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-lex-open.js b/js/src/tests/test262/language/statements/class/static-init-scope-lex-open.js
new file mode 100644
index 0000000000..8567ef1cff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-lex-open.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Creation of new environment record for lexically-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+let test262 = 'outer scope';
+let probe1, probe2;
+
+class C {
+  static {
+    let test262 = 'first block';
+    probe1 = test262;
+  }
+  static {
+    let test262 = 'second block';
+    probe2 = test262;
+  }
+}
+
+assert.sameValue(test262, 'outer scope');
+assert.sameValue(probe1, 'first block');
+assert.sameValue(probe2, 'second block');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-private.js b/js/src/tests/test262/language/statements/class/static-init-scope-private.js
new file mode 100644
index 0000000000..2718097083
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-private.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Shares environment record for privately-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-fields-private, class-static-block]
+---*/
+
+var probe;
+
+class C {
+  static #test262 = 'private';
+
+  static {
+    probe = C.#test262;
+  }
+}
+
+assert.sameValue(probe, 'private');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-var-close.js b/js/src/tests/test262/language/statements/class/static-init-scope-var-close.js
new file mode 100644
index 0000000000..f4e9f88a34
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-var-close.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Destruction of environment record for variable-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+var test262 = 'outer scope';
+var probe;
+
+class C {
+  static {
+    var test262 = 'first block';
+  }
+  static {
+    probe = test262;
+  }
+}
+
+assert.sameValue(probe, 'outer scope');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-var-derived.js b/js/src/tests/test262/language/statements/class/static-init-scope-var-derived.js
new file mode 100644
index 0000000000..befc4dd9cf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-var-derived.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Derivation of environment record for variable-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+var test262 = 'outer scope';
+var probe;
+
+class C {
+  static {
+    probe = test262;
+  }
+}
+
+assert.sameValue(probe, 'outer scope');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-scope-var-open.js b/js/src/tests/test262/language/statements/class/static-init-scope-var-open.js
new file mode 100644
index 0000000000..0711446b8a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-scope-var-open.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: Creation of new environment record for variable-scoped bindings
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+    1. Let lex be the running execution context's LexicalEnvironment.
+    2. Let privateScope be the running execution context's PrivateEnvironment.
+    3. Let body be OrdinaryFunctionCreate(Method, « », ClassStaticBlockBody, lex, privateScope).
+features: [class-static-block]
+---*/
+
+var test262 = 'outer scope';
+var probe1, probe2;
+
+class C {
+  static {
+    var test262 = 'first block';
+    probe1 = test262;
+  }
+  static {
+    var test262 = 'second block';
+    probe2 = test262;
+  }
+}
+
+assert.sameValue(test262, 'outer scope');
+assert.sameValue(probe1, 'first block');
+assert.sameValue(probe2, 'second block');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-sequence.js b/js/src/tests/test262/language/statements/class/static-init-sequence.js
new file mode 100644
index 0000000000..f3afe0139e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-sequence.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classelementevaluation
+description: Static blocks are evaluated in the order they appear in the source text, interleaved with static fields
+info: |
+  5.1.14 Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  34. For each element elementRecord of staticElements in List order, do
+    a. If elementRecord is a ClassFieldDefinition Record, then
+        i. Let status be the result of performing DefineField(F,
+        elementRecord).
+    b. Else,
+        i. Assert: fieldRecord is a ClassStaticBlockDefinition Record.
+        ii. Let status be the result of performing EvaluateStaticBlock(F,
+            elementRecord).
+    [...]
+features: [class-static-fields-public, class-static-block]
+---*/
+
+var sequence = [];
+
+class C {
+  static x = sequence.push('first field');
+  static {
+    sequence.push('first block');
+  }
+  static x = sequence.push('second field');
+  static {
+    sequence.push('second block');
+  }
+}
+
+assert.sameValue(sequence[0], 'first field');
+assert.sameValue(sequence[1], 'first block');
+assert.sameValue(sequence[2], 'second field');
+assert.sameValue(sequence[3], 'second block');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-statement-list-optional.js b/js/src/tests/test262/language/statements/class/static-init-statement-list-optional.js
new file mode 100644
index 0000000000..21bf888ed7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-statement-list-optional.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-class-definitions
+description: The block's statement list is optional
+info: |
+  Syntax
+
+  [...]
+
+  ClassStaticBlockStatementList :
+     StatementList[~Yield, +Await, ~Return]opt
+features: [class-static-block]
+---*/
+
+class C {
+  static {}
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-init-super-property.js b/js/src/tests/test262/language/statements/class/static-init-super-property.js
new file mode 100644
index 0000000000..1e28eb6753
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-init-super-property.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classstaticblockdefinitionevaluation
+description: The home object for a class static initialization block is the parent class
+info: |
+  ClassStaticBlock : static { ClassStaticBlockBody }
+
+  [...]
+  4. Perform MakeMethod(body, homeObject).
+features: [class-static-block]
+---*/
+
+function Parent() {}
+Parent.test262 = 'test262';
+var value;
+
+class C extends Parent {
+  static {
+    value = super.test262;
+  }
+}
+
+assert.sameValue(value, 'test262');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-method-gen-non-configurable-err.js b/js/src/tests/test262/language/statements/class/static-method-gen-non-configurable-err.js
new file mode 100644
index 0000000000..09b60d1539
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-method-gen-non-configurable-err.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-propertydefinitionevaluation
+es6id: 14.4.13
+description: Failure to define property for static generator method
+info: |
+  [...]
+  10. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]:
+      true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+  11. Return ? DefinePropertyOrThrow(object, propKey, desc). 
+features: [generators]
+---*/
+
+assert.throws(TypeError, function() {
+  class C { static *['prototype']() {} }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-method-length-dflt.js b/js/src/tests/test262/language/statements/class/static-method-length-dflt.js
new file mode 100644
index 0000000000..d8691ebe6d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-method-length-dflt.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.1.6
+description: >
+  Default parameters' effect on function length
+info: |
+  Function length is counted by the non initialized parameters in the left.
+
+  9.2.4 FunctionInitialize (F, kind, ParameterList, Body, Scope)
+
+  [...]
+  2. Let len be the ExpectedArgumentCount of ParameterList.
+  3. Perform ! DefinePropertyOrThrow(F, "length", PropertyDescriptor{[[Value]]:
+     len, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true}).
+  [...]
+
+  FormalsList : FormalParameter
+
+    1. If HasInitializer of FormalParameter is true return 0
+    2. Return 1.
+
+  FormalsList : FormalsList , FormalParameter
+
+    1. Let count be the ExpectedArgumentCount of FormalsList.
+    2. If HasInitializer of FormalsList is true or HasInitializer of
+    FormalParameter is true, return count.
+    3. Return count+1.
+features: [default-parameters]
+includes: [propertyHelper.js]
+---*/
+
+class C1 { static m(x = 42) {} }
+
+var m1 = C1.m;
+
+assert.sameValue(m1.length, 0, 'formalslist: x = 42');
+verifyNotEnumerable(m1, 'length');
+verifyNotWritable(m1, 'length');
+verifyConfigurable(m1, 'length');
+
+class C2 { static m(x = 42, y) {} }
+
+var m2 = C2.m;
+
+assert.sameValue(m2.length, 0, 'formalslist: x = 42, y');
+verifyNotEnumerable(m2, 'length');
+verifyNotWritable(m2, 'length');
+verifyConfigurable(m2, 'length');
+
+class C3 { static m(x, y = 42) {} }
+
+var m3 = C3.m;
+
+assert.sameValue(m3.length, 1, 'formalslist: x, y = 42');
+verifyNotEnumerable(m3, 'length');
+verifyNotWritable(m3, 'length');
+verifyConfigurable(m3, 'length');
+
+class C4 { static m(x, y = 42, z) {} }
+
+var m4 = C4.m;
+
+assert.sameValue(m4.length, 1, 'formalslist: x, y = 42, z');
+verifyNotEnumerable(m4, 'length');
+verifyNotWritable(m4, 'length');
+verifyConfigurable(m4, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-method-non-configurable-err.js b/js/src/tests/test262/language/statements/class/static-method-non-configurable-err.js
new file mode 100644
index 0000000000..404fa01f47
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-method-non-configurable-err.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+es6id: 14.3.9
+description: Failure to define property for static method
+info: |
+  [...]
+  10. Let desc be the PropertyDescriptor{[[Value]]: closure, [[Writable]]:
+      true, [[Enumerable]]: enumerable, [[Configurable]]: true}.
+  11. Return ? DefinePropertyOrThrow(object, propKey, desc). 
+---*/
+
+assert.throws(TypeError, function() {
+  class C { static ['prototype']() {} }
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/static-method-param-yield.js b/js/src/tests/test262/language/statements/class/static-method-param-yield.js
new file mode 100644
index 0000000000..ce498c7f29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/static-method-param-yield.js
@@ -0,0 +1,23 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-method-definitions
+es6id: 14.3
+description: >
+  YieldExpression cannot be used within the FormalParameters of a class method
+info: |
+  MethodDefinition[Yield] :
+
+    PropertyName[?Yield] ( StrictFormalParameters ) { FunctionBody }
+features: [generators, default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  static m(x = yield) {}
+}
diff --git a/js/src/tests/test262/language/statements/class/strict-mode/arguments-callee.js b/js/src/tests/test262/language/statements/class/strict-mode/arguments-callee.js
new file mode 100644
index 0000000000..f0538aff17
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/strict-mode/arguments-callee.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class strict mode
+---*/
+var D = class extends function() {
+  arguments.callee;
+} {};
+assert.throws(TypeError, function() {
+  Object.getPrototypeOf(D).arguments;
+});
+assert.throws(TypeError, function() {
+  new D;
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/strict-mode/browser.js b/js/src/tests/test262/language/statements/class/strict-mode/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/strict-mode/browser.js
diff --git a/js/src/tests/test262/language/statements/class/strict-mode/shell.js b/js/src/tests/test262/language/statements/class/strict-mode/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/strict-mode/shell.js
diff --git a/js/src/tests/test262/language/statements/class/strict-mode/with.js b/js/src/tests/test262/language/statements/class/strict-mode/with.js
new file mode 100644
index 0000000000..064a6cd008
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/strict-mode/with.js
@@ -0,0 +1,16 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class strict mode: `with` disallowed
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C extends (function B() { with ({}); return B; }()) {}
+
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/browser.js b/js/src/tests/test262/language/statements/class/subclass-builtins/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/shell.js b/js/src/tests/test262/language/statements/class/subclass-builtins/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-AggregateError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-AggregateError.js
new file mode 100644
index 0000000000..7f1c35da3f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-AggregateError.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/AggregateError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubAggregateError() instanceof AggregateError (Subclass instanceof Heritage)
+features: [AggregateError]
+flags: [generated]
+---*/
+
+
+class Subclass extends AggregateError {}
+
+const sub = new Subclass([]);
+assert(sub instanceof Subclass);
+assert(sub instanceof AggregateError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Array.js
new file mode 100644
index 0000000000..4da3d445cd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Array.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubArray() instanceof Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ArrayBuffer.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ArrayBuffer.js
new file mode 100644
index 0000000000..7c36fef86e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ArrayBuffer.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ArrayBuffer.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubArrayBuffer() instanceof ArrayBuffer (Subclass instanceof Heritage)
+features: [TypedArray, ArrayBuffer]
+flags: [generated]
+---*/
+
+
+class Subclass extends ArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ArrayBuffer);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigInt64Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigInt64Array.js
new file mode 100644
index 0000000000..2c348d0750
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigInt64Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigInt64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBigInt64Array() instanceof BigInt64Array (Subclass instanceof Heritage)
+features: [TypedArray, BigInt]
+flags: [generated]
+---*/
+
+
+class Subclass extends BigInt64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigInt64Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigUint64Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigUint64Array.js
new file mode 100644
index 0000000000..4167ae674d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-BigUint64Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigUint64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBigUint64Array() instanceof BigUint64Array (Subclass instanceof Heritage)
+features: [TypedArray, BigInt]
+flags: [generated]
+---*/
+
+
+class Subclass extends BigUint64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigUint64Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Boolean.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Boolean.js
new file mode 100644
index 0000000000..c54788605e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Boolean.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Boolean.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBoolean() instanceof Boolean (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Boolean {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Boolean);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-DataView.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-DataView.js
new file mode 100644
index 0000000000..3f554f75b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-DataView.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/DataView.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubDataView() instanceof DataView (Subclass instanceof Heritage)
+features: [TypedArray, DataView]
+flags: [generated]
+---*/
+
+
+class Subclass extends DataView {}
+
+const sub = new Subclass(new ArrayBuffer(1));
+assert(sub instanceof Subclass);
+assert(sub instanceof DataView);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Date.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Date.js
new file mode 100644
index 0000000000..5ef9ae4f1f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Date.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Date.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubDate() instanceof Date (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Date {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Date);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Error.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Error.js
new file mode 100644
index 0000000000..0b1abb0c67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Error.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Error.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubError() instanceof Error (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Error {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Error);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-EvalError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-EvalError.js
new file mode 100644
index 0000000000..bdd98e6ba5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-EvalError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/EvalError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubEvalError() instanceof EvalError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends EvalError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof EvalError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float32Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float32Array.js
new file mode 100644
index 0000000000..576c9a5b26
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float32Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float32Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFloat32Array() instanceof Float32Array (Subclass instanceof Heritage)
+features: [TypedArray, Float32Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Float32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float32Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js
new file mode 100644
index 0000000000..68b383d543
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFloat64Array() instanceof Float64Array (Subclass instanceof Heritage)
+features: [TypedArray, Float64Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Float64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float64Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Function.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Function.js
new file mode 100644
index 0000000000..1271932e28
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Function.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Function.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFunction() instanceof Function (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Function {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Function);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int16Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int16Array.js
new file mode 100644
index 0000000000..b55e8e12d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int16Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int16Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt16Array() instanceof Int16Array (Subclass instanceof Heritage)
+features: [TypedArray, Int16Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Int16Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int16Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int32Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int32Array.js
new file mode 100644
index 0000000000..8776f9f93d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int32Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int32Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt32Array() instanceof Int32Array (Subclass instanceof Heritage)
+features: [TypedArray, Int32Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Int32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int32Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int8Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int8Array.js
new file mode 100644
index 0000000000..416fa8db5b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Int8Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int8Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt8Array() instanceof Int8Array (Subclass instanceof Heritage)
+features: [TypedArray, Int8Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Int8Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int8Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Map.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Map.js
new file mode 100644
index 0000000000..a47e381092
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Map.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Map.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubMap() instanceof Map (Subclass instanceof Heritage)
+features: [Map]
+flags: [generated]
+---*/
+
+
+class Subclass extends Map {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Map);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Number.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Number.js
new file mode 100644
index 0000000000..c1d5057aab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Number.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Number.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubNumber() instanceof Number (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Number {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Number);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Object.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Object.js
new file mode 100644
index 0000000000..b784f10b87
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Object.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Object.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubObject() instanceof Object (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Object {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Object);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Promise.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Promise.js
new file mode 100644
index 0000000000..3f74cc8625
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Promise.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Promise.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubPromise() instanceof Promise (Subclass instanceof Heritage)
+features: [Promise]
+flags: [generated]
+---*/
+
+
+class Subclass extends Promise {}
+
+const sub = new Subclass(() => {});
+assert(sub instanceof Subclass);
+assert(sub instanceof Promise);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RangeError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RangeError.js
new file mode 100644
index 0000000000..1c6693bcad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RangeError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RangeError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubRangeError() instanceof RangeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends RangeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RangeError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ReferenceError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ReferenceError.js
new file mode 100644
index 0000000000..05613c49ec
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-ReferenceError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ReferenceError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubReferenceError() instanceof ReferenceError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends ReferenceError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ReferenceError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RegExp.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RegExp.js
new file mode 100644
index 0000000000..f1e8dc9869
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-RegExp.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RegExp.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubRegExp() instanceof RegExp (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends RegExp {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RegExp);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Set.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Set.js
new file mode 100644
index 0000000000..0724548e7d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Set.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Set.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSet() instanceof Set (Subclass instanceof Heritage)
+features: [Set]
+flags: [generated]
+---*/
+
+
+class Subclass extends Set {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Set);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SharedArrayBuffer.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SharedArrayBuffer.js
new file mode 100644
index 0000000000..240412e689
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SharedArrayBuffer.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SharedArrayBuffer.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSharedArrayBuffer() instanceof SharedArrayBuffer (Subclass instanceof Heritage)
+features: [SharedArrayBuffer]
+flags: [generated]
+---*/
+
+
+class Subclass extends SharedArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SharedArrayBuffer);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-String.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-String.js
new file mode 100644
index 0000000000..8884f5bacc
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-String.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/String.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubString() instanceof String (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends String {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof String);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SyntaxError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SyntaxError.js
new file mode 100644
index 0000000000..b865e826f1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-SyntaxError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SyntaxError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSyntaxError() instanceof SyntaxError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends SyntaxError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SyntaxError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-TypeError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-TypeError.js
new file mode 100644
index 0000000000..20f2b916c2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-TypeError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/TypeError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubTypeError() instanceof TypeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends TypeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof TypeError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-URIError.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-URIError.js
new file mode 100644
index 0000000000..2dfd7fae49
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-URIError.js
@@ -0,0 +1,16 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/URIError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubURIError() instanceof URIError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends URIError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof URIError);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint16Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint16Array.js
new file mode 100644
index 0000000000..11ef8aace7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint16Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint16Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubUint16Array() instanceof Uint16Array (Subclass instanceof Heritage)
+features: [TypedArray, Uint16Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Uint16Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint16Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint32Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint32Array.js
new file mode 100644
index 0000000000..f349a0f3f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint32Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint32Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubUint32Array() instanceof Uint32Array (Subclass instanceof Heritage)
+features: [TypedArray, Uint32Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Uint32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint32Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8Array.js
new file mode 100644
index 0000000000..e542c6d412
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint8Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubUint8Array() instanceof Uint8Array (Subclass instanceof Heritage)
+features: [TypedArray, Uint8Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Uint8Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint8Array);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8ClampedArray.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8ClampedArray.js
new file mode 100644
index 0000000000..e45f89dbdb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Uint8ClampedArray.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint8ClampedArray.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubUint8ClampedArray() instanceof Uint8ClampedArray (Subclass instanceof Heritage)
+features: [TypedArray, Uint8ClampedArray]
+flags: [generated]
+---*/
+
+
+class Subclass extends Uint8ClampedArray {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint8ClampedArray);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakMap.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakMap.js
new file mode 100644
index 0000000000..3e6b8ccf31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakMap.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/WeakMap.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubWeakMap() instanceof WeakMap (Subclass instanceof Heritage)
+features: [WeakMap]
+flags: [generated]
+---*/
+
+
+class Subclass extends WeakMap {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof WeakMap);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakRef.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakRef.js
new file mode 100644
index 0000000000..fd97648922
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakRef.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty('WeakRef')) -- WeakRef is not enabled unconditionally
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/WeakRef.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubWeakRef() instanceof WeakRef (Subclass instanceof Heritage)
+features: [WeakRef]
+flags: [generated]
+---*/
+
+
+class Subclass extends WeakRef {}
+
+const sub = new Subclass({});
+assert(sub instanceof Subclass);
+assert(sub instanceof WeakRef);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakSet.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakSet.js
new file mode 100644
index 0000000000..969c54ced4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-WeakSet.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/WeakSet.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubWeakSet() instanceof WeakSet (Subclass instanceof Heritage)
+features: [WeakSet]
+flags: [generated]
+---*/
+
+
+class Subclass extends WeakSet {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof WeakSet);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/binding.js b/js/src/tests/test262/language/statements/class/subclass/binding.js
new file mode 100644
index 0000000000..cd22c23d35
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/binding.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class subclass binding
+---*/
+class Base {
+  constructor(x, y) {
+    this.x = x;
+    this.y = y;
+  }
+}
+
+var obj = {};
+class Subclass extends Base {
+  constructor(x, y) {
+    super(x,y);
+    assert.sameValue(this !== obj, true, "The result of `this !== obj` is `true`");
+  }
+}
+
+var f = Subclass.bind(obj);
+assert.throws(TypeError, function () { f(1, 2); });
+var s = new f(1, 2);
+assert.sameValue(s.x, 1, "The value of `s.x` is `1`");
+assert.sameValue(s.y, 2, "The value of `s.y` is `2`");
+assert.sameValue(
+  Object.getPrototypeOf(s),
+  Subclass.prototype,
+  "`Object.getPrototypeOf(s)` returns `Subclass.prototype`"
+);
+
+var s1 = new f(1);
+assert.sameValue(s1.x, 1, "The value of `s1.x` is `1`");
+assert.sameValue(s1.y, undefined, "The value of `s1.y` is `undefined`");
+assert.sameValue(
+  Object.getPrototypeOf(s1),
+  Subclass.prototype,
+  "`Object.getPrototypeOf(s1)` returns `Subclass.prototype`"
+);
+
+var g = Subclass.bind(obj, 1);
+assert.throws(TypeError, function () { g(8); });
+var s2 = new g(8);
+assert.sameValue(s2.x, 1, "The value of `s2.x` is `1`");
+assert.sameValue(s2.y, 8, "The value of `s2.y` is `8`");
+assert.sameValue(
+  Object.getPrototypeOf(s),
+  Subclass.prototype,
+  "`Object.getPrototypeOf(s)` returns `Subclass.prototype`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/browser.js b/js/src/tests/test262/language/statements/class/subclass/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js
new file mode 100644
index 0000000000..e1d285b914
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.1
+description: >
+  Constructor calling super() with 2+ arguments creates an Array object
+info: |
+  22.1.1 The Array Constructor
+
+  The Array constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the exotic Array behaviour must include a super call to the
+  Array constructor to initialize subclass instances that are exotic Array
+  objects.
+includes: [compareArray.js]
+---*/
+
+class Sub extends Array {
+  constructor(a, b) {
+    super(a, b);
+  }
+}
+
+var sub = new Sub(42, 'foo');
+
+assert.compareArray(sub, [42, 'foo']);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js
new file mode 100644
index 0000000000..9311d7f278
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.1
+description: >
+  Constructor calling super() with a single argument creates an Array object
+info: |
+  22.1.1 The Array Constructor
+
+  The Array constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the exotic Array behaviour must include a super call to the
+  Array constructor to initialize subclass instances that are exotic Array
+  objects.
+---*/
+
+class Sub extends Array {
+  constructor(a) {
+    super(a);
+  }
+}
+
+var sub = new Sub(42);
+
+assert.sameValue(sub.length, 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js
new file mode 100644
index 0000000000..e19bc322a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.4.1
+description: >
+  Instances has the own property length
+info: |
+  22.1.4.1 length
+
+  The length property of an Array instance is a data property whose value is
+  always numerically greater than the name of every configurable own property
+  whose name is an array index.
+
+  The length property initially has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: false }.
+---*/
+
+class Ar extends Array {}
+
+var arr = new Ar('foo', 'bar');
+
+assert.sameValue(arr[0], 'foo');
+assert.sameValue(arr[1], 'bar');
+
+var arrDesc = Object.getOwnPropertyDescriptor(arr, 'length');
+
+assert.sameValue(arrDesc.writable, true);
+assert.sameValue(arrDesc.enumerable, false);
+assert.sameValue(arrDesc.configurable, false);
+
+assert.sameValue(arr[1], 'bar');
+
+arr.length = 1;
+
+assert.sameValue(arr[0], 'foo');
+assert.sameValue(arr[1], undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js
new file mode 100644
index 0000000000..3b5df29719
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.1
+description: Subclassing Array
+info: |
+  22.1.1 The Array Constructor
+
+  The Array constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. (...)
+includes: [compareArray.js]
+---*/
+
+class Sub extends Array {}
+
+var a1 = new Sub(42, 'foo');
+
+assert.sameValue(a1.length, 2);
+assert.sameValue(a1[0], 42);
+assert.sameValue(a1[1], 'foo');
+
+a1.push(true);
+assert.sameValue(a1.length, 3, 'Array#push updates the length property');
+assert.sameValue(a1[0], 42);
+assert.sameValue(a1[1], 'foo');
+assert.sameValue(a1[2], true, 'Adds new item');
+
+var a2 = new Sub(7);
+assert.sameValue(a2.length, 7);
+
+var a3 = new Sub();
+assert.compareArray(a3, []);
+assert.sameValue(a3.length, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/super-must-be-called.js
new file mode 100644
index 0000000000..134c3a7702
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/super-must-be-called.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.1
+description: Super need to be called to initialize internals
+info: |
+  22.1.1 The Array Constructor
+
+  ...
+
+  The Array constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the exotic Array behaviour must include a super call to the
+  Array constructor to initialize subclass instances that are exotic Array
+  objects.
+---*/
+
+class A extends Array {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new A();
+});
+
+class A2 extends Array {
+  constructor() {
+    super();
+  }
+}
+
+new A2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/regular-subclassing.js
new file mode 100644
index 0000000000..d2b319173a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/regular-subclassing.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.2
+description: Subclassing the ArrayBuffer object
+info: |
+  24.1.2 The ArrayBuffer Constructor
+
+  ...
+
+  The ArrayBuffer constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified ArrayBuffer behaviour must include a
+  super call to the ArrayBuffer constructor to create and initialize subclass
+  instances with the internal state necessary to support the
+  ArrayBuffer.prototype built-in methods.
+---*/
+
+class AB extends ArrayBuffer {}
+
+var ab = new AB(4);
+
+var sliced = ab.slice(0, 1);
+
+assert(sliced instanceof AB);
+assert(sliced instanceof ArrayBuffer);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/super-must-be-called.js
new file mode 100644
index 0000000000..232c344cee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/ArrayBuffer/super-must-be-called.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.2
+description: Super need to be called to initialize internals
+info: |
+  24.1.2 The ArrayBuffer Constructor
+
+  ...
+
+  The ArrayBuffer constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified ArrayBuffer behaviour must include a
+  super call to the ArrayBuffer constructor to create and initialize subclass
+  instances with the internal state necessary to support the
+  ArrayBuffer.prototype built-in methods.
+---*/
+
+class AB1 extends ArrayBuffer {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new AB1(1);
+});
+
+class AB2 extends ArrayBuffer {
+  constructor(length) {
+    super(length);
+  }
+}
+
+new AB2(1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/regular-subclassing.js
new file mode 100644
index 0000000000..e296c1d4e3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/regular-subclassing.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.3.1
+description: Subclassing Function
+info: |
+  19.3.1 The Boolean Constructor
+
+  The Boolean constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition.
+  ...
+---*/
+
+class Bln extends Boolean {}
+
+var b1 = new Bln(1);
+
+assert.notSameValue(b1, true, 'b1 is an Boolean object');
+assert.sameValue(b1.valueOf(), true);
+
+var b2 = new Bln(0);
+assert.notSameValue(b2, false, 'bln is an Boolean object');
+assert.sameValue(b2.valueOf(), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/super-must-be-called.js
new file mode 100644
index 0000000000..fde940702f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Boolean/super-must-be-called.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.3.1
+description: Super need to be called to initialize Boolean internals
+info: |
+  19.3.1 The Boolean Constructor
+
+  ...
+  Subclass constructors that intend to inherit the specified Boolean behaviour
+  must include a super call to the Boolean constructor to create and initialize
+  the subclass instance with a [[BooleanData]] internal slot.
+---*/
+
+class Bln extends Boolean {
+  constructor() {}
+}
+
+// Boolean internals are not initialized
+assert.throws(ReferenceError, function() {
+  new Bln(1);
+});
+
+class Bln2 extends Boolean {
+  constructor() {
+    super();
+  }
+}
+
+var b = new Bln2(1);
+assert(b instanceof Boolean);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/regular-subclassing.js
new file mode 100644
index 0000000000..fe91d32a2b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/regular-subclassing.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.2.2
+description: Subclassing the DataView object
+info: |
+  24.2.2 The DataView Constructor
+
+  ...
+
+  The DataView constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified DataView behaviour must include a super call
+  to the DataView constructor to create and initialize subclass instances with
+  the internal state necessary to support the DataView.prototype built-in
+  methods.
+---*/
+
+class DV extends DataView {}
+
+var buffer = new ArrayBuffer(1);
+
+var dv = new DV(buffer);
+assert.sameValue(dv.buffer, buffer);
+
+assert.throws(TypeError, function() {
+  new DV();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/super-must-be-called.js
new file mode 100644
index 0000000000..9693b9a205
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/DataView/super-must-be-called.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.2.2
+description: Super need to be called to initialize internals
+info: |
+  24.2.2 The DataView Constructor
+
+  ...
+
+  The DataView constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified DataView behaviour must include a super call
+  to the DataView constructor to create and initialize subclass instances with
+  the internal state necessary to support the DataView.prototype built-in
+  methods.
+---*/
+
+class DV1 extends DataView {
+  constructor() {}
+}
+
+var buffer = new ArrayBuffer(1);
+
+assert.throws(ReferenceError, function() {
+  new DV1(buffer);
+});
+
+class DV2 extends DataView {
+  constructor(length) {
+    super(length);
+  }
+}
+
+new DV2(buffer);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/regular-subclassing.js
new file mode 100644
index 0000000000..41619f26b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/regular-subclassing.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 20.3.2
+description: Subclassing the String object
+info: |
+  20.3.2 The Date Constructor
+
+  ...
+
+  The Date constructor is a single function whose behaviour is overloaded based
+  upon the number and types of its arguments.
+
+  The Date constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Date behaviour must include a super call to
+  the Date constructor to create and initialize the subclass instance with a
+  [[DateValue]] internal slot.
+---*/
+
+class D extends Date {}
+
+var d1 = new D(1859, '10', 24, 11);
+assert.sameValue(d1.getFullYear(), 1859);
+assert.sameValue(d1.getMonth(), 10);
+assert.sameValue(d1.getDate(), 24);
+
+var d2 = new D(-3474558000000);
+assert.sameValue(d2.getUTCFullYear(), 1859);
+assert.sameValue(d2.getUTCMonth(), 10);
+assert.sameValue(d2.getUTCDate(), 24);
+
+var d3 = new D();
+var d4 = new Date();
+assert.sameValue(d3.getFullYear(), d4.getFullYear());
+assert.sameValue(d3.getMonth(), d4.getMonth());
+assert.sameValue(d3.getDate(), d4.getDate());
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/super-must-be-called.js
new file mode 100644
index 0000000000..8099ac871f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Date/super-must-be-called.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 20.3.2
+description: Super need to be called to initialize internals
+info: |
+  20.3.2 The Date Constructor
+
+  ...
+
+  The Date constructor is a single function whose behaviour is overloaded based
+  upon the number and types of its arguments.
+
+  The Date constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Date behaviour must include a super call to
+  the Date constructor to create and initialize the subclass instance with a
+  [[DateValue]] internal slot.
+---*/
+
+class D extends Date {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new D();
+});
+
+class D2 extends Date {
+  constructor() {
+    super();
+  }
+}
+
+new D2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/message-property-assignment.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/message-property-assignment.js
new file mode 100644
index 0000000000..afa9b7e924
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/message-property-assignment.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.1.1 Error ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. ReturnIfAbrupt(msg).
+    c. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    d. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends Error {}
+
+Err.prototype.message = 'custom-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js
new file mode 100644
index 0000000000..d34c85cb3c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.1
+description: Subclassing the Error object
+info: |
+  19.5.1 The Error Constructor
+
+  ...
+  The Error constructor is designed to be subclassable. It may be used as the
+  alue of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Error behaviour must include a super call to
+  the Error constructor to create and initialize subclass instances with a
+  [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends Error {}
+
+var err = new CustomError('foo 42');
+
+assert.sameValue(err.message, 'foo 42');
+assert.sameValue(err.name, 'Error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/super-must-be-called.js
new file mode 100644
index 0000000000..8d7dcae53e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/super-must-be-called.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.1 The Error Constructor
+
+  ...
+  The Error constructor is designed to be subclassable. It may be used as the
+  alue of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Error behaviour must include a super call to
+  the Error constructor to create and initialize subclass instances with a
+  [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends Error {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError('foo');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-length.js
new file mode 100644
index 0000000000..d14cd344d4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-length.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.2.4.1
+description: Subclassed Function instances has length and name properties
+info: |
+  19.2.4.1 length
+
+  The value of the length property is an integer that indicates the typical
+  number of arguments expected by the function. However, the language permits
+  the function to be invoked with some other number of arguments. The behaviour
+  of a function when invoked on a number of arguments other than the number
+  specified by its length property depends on the function. This property has
+  the attributes { [[Writable]]: false, [[Enumerable]]: false,
+  [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+class Fn extends Function {}
+
+var fn = new Fn('a', 'b', 'return a + b');
+
+assert.sameValue(fn.length, 2);
+
+verifyNotEnumerable(fn, 'length');
+verifyNotWritable(fn, 'length');
+verifyConfigurable(fn, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-name.js
new file mode 100644
index 0000000000..6648909da4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/instance-name.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.2.4.2
+description: Subclassed Function instances has length and name properties
+info: |
+  19.2.4.2 name
+
+  The value of the name property is an String that is descriptive of the
+  function. The name has no semantic significance but is typically a variable or
+  property name that is used to refer to the function at its point of definition
+  in ECMAScript code. This property has the attributes { [[Writable]]: false,
+  [[Enumerable]]: false, [[Configurable]]: true }.
+
+  Anonymous functions objects that do not have a contextual name associated with
+  them by this specification do not have a name own property but inherit the
+  name property of %FunctionPrototype%.
+
+  19.2.1.1.1 RuntimeSemantics: CreateDynamicFunction(constructor, newTarget,
+  kind, args)
+
+  ...
+  29. Perform SetFunctionName(F, "anonymous").
+  ...
+includes: [propertyHelper.js]
+---*/
+
+class Fn extends Function {}
+
+var fn = new Fn('a', 'b', 'return a + b');
+
+assert.sameValue(
+  fn.name, 'anonymous',
+  'Dynamic Functions are called anonymous'
+);
+
+verifyNotEnumerable(fn, 'name');
+verifyNotWritable(fn, 'name');
+verifyConfigurable(fn, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/regular-subclassing.js
new file mode 100644
index 0000000000..d68fb28206
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/regular-subclassing.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.2.1
+description: Subclassing Function
+info: |
+  19.2.1 The Function Constructor
+
+  ...
+
+  The Function constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition.
+  ...
+---*/
+
+class Fn extends Function {}
+
+var fn = new Fn('a', 'return a * 2');
+
+assert.sameValue(fn(42), 84);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/super-must-be-called.js
new file mode 100644
index 0000000000..9d8fc30c0c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Function/super-must-be-called.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.2.1
+description: >
+  super must be called to initialize Function internal slots
+info: |
+  19.2.1 The Function Constructor
+
+  ...
+
+  The Function constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition.  Subclass constructors that
+  intend to inherit the specified Function behaviour must include a super call
+  to the Function constructor to create and initialize a subclass instances with
+  the internal slots necessary for built-in function behaviour.
+  ...
+---*/
+
+class Fn extends Function {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new Fn();
+});
+
+class Fn2 extends Function {
+  constructor() {
+    super();
+  }
+}
+
+var fn = new Fn2();
+assert(fn instanceof Function);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-length.js
new file mode 100644
index 0000000000..f5d17fe131
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-length.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.4.1
+description: >
+  Subclassed GeneratorFunction instances `length` property
+info: |
+  25.2.4.1 length
+
+  The value of the length property is an integer that indicates the typical
+  number of arguments expected by the GeneratorFunction. However, the language
+  permits the function to be invoked with some other number of arguments. The
+  behaviour of a GeneratorFunction when invoked on a number of arguments other
+  than the number specified by its length property depends on the function.
+
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+  [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class GFn extends GeneratorFunction {}
+
+var gfn = new GFn('a', 'b', 'return a + b');
+
+assert.sameValue(gfn.length, 2);
+
+verifyNotEnumerable(gfn, 'length');
+verifyNotWritable(gfn, 'length');
+verifyConfigurable(gfn, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js
new file mode 100644
index 0000000000..69be80c2e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.4.2
+description: Subclassed GeneratorFunction instances `name` property
+info: |
+  25.2.4.2 name
+
+  The specification for the name property of Function instances given in
+  19.2.4.2 also applies to GeneratorFunction instances.
+
+  19.2.4.2 name
+
+  The value of the name property is an String that is descriptive of the
+  function. The name has no semantic significance but is typically a variable or
+  property name that is used to refer to the function at its point of definition
+  in ECMAScript code. This property has the attributes { [[Writable]]: false,
+  [[Enumerable]]: false, [[Configurable]]: true }.
+
+  Anonymous functions objects that do not have a contextual name associated with
+  them by this specification do not have a name own property but inherit the
+  name property of %FunctionPrototype%.
+
+  19.2.1.1.1 RuntimeSemantics: CreateDynamicFunction(constructor, newTarget,
+  kind, args)
+
+  ...
+  29. Perform SetFunctionName(F, "anonymous").
+  ...
+includes: [propertyHelper.js]
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class GFn extends GeneratorFunction {}
+
+var gfn = new GFn('a', 'b', 'return a + b');
+
+assert.sameValue(
+  gfn.name, 'anonymous',
+  'Dynamic Functions are called anonymous'
+);
+
+verifyNotEnumerable(gfn, 'name');
+verifyNotWritable(gfn, 'name');
+verifyConfigurable(gfn, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-prototype.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-prototype.js
new file mode 100644
index 0000000000..3b4029adcd
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-prototype.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.4.3
+description: >
+  Subclassed GeneratorFunction instances `prototype` property
+info: |
+  25.2.4.3 prototype
+
+  Whenever a GeneratorFunction instance is created another ordinary object is
+  also created and is the initial value of the generator function’s prototype
+  property. The value of the prototype property is used to initialize the
+  [[Prototype]] internal slot of a newly created Generator object when the
+  generator function object is invoked using either [[Call]] or [[Construct]].
+
+  This property has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class GFn extends GeneratorFunction {}
+
+var gfn = new GFn(';');
+
+assert.sameValue(
+  Object.keys(gfn.prototype).length, 0,
+  'prototype is a new ordinary object'
+);
+assert.sameValue(
+  gfn.prototype.hasOwnProperty('constructor'), false,
+  'prototype has no constructor reference'
+);
+
+verifyNotEnumerable(gfn, 'prototype');
+verifyWritable(gfn, 'prototype');
+verifyNotConfigurable(gfn, 'prototype');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js
new file mode 100644
index 0000000000..55a8c2ded5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.1
+description: Subclassing GeneratorFunction
+info: |
+  25.2.1 The GeneratorFunction Constructor
+
+  ...
+
+  GeneratorFunction is designed to be subclassable. It may be used as the value
+  of an extends clause of a class definition. Subclass constructors that intend
+  to inherit the specified GeneratorFunction behaviour must include a super call
+  to the GeneratorFunction constructor to create and initialize subclass
+  instances with the internal slots necessary for built-in GeneratorFunction
+  behaviour.
+  ...
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class Gfn extends GeneratorFunction {}
+
+var gfn = new Gfn('a', 'yield a; yield a * 2;');
+
+var iter = gfn(42);
+
+assert.sameValue(iter.next().value, 42);
+assert.sameValue(iter.next().value, 84);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/super-must-be-called.js
new file mode 100644
index 0000000000..6d3aa6004d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/super-must-be-called.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.1
+description: >
+  super must be called to initialize GeneratorFunction internal slots
+info: |
+  25.2.1 The GeneratorFunction Constructor
+
+  ...
+
+  GeneratorFunction is designed to be subclassable. It may be used as the value
+  of an extends clause of a class definition. Subclass constructors that intend
+  to inherit the specified GeneratorFunction behaviour must include a super call
+  to the GeneratorFunction constructor to create and initialize subclass
+  instances with the internal slots necessary for built-in GeneratorFunction
+  behaviour.
+  ...
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class GFn1 extends GeneratorFunction {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new GFn1();
+});
+
+class GFn2 extends GeneratorFunction {
+  constructor() {
+    super();
+  }
+}
+
+var fn = new GFn2();
+assert(fn instanceof GeneratorFunction);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/regular-subclassing.js
new file mode 100644
index 0000000000..755b2b1faa
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/regular-subclassing.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.1
+description: Subclassing the Map object
+info: |
+  23.1.1 The Map Constructor
+
+  ...
+
+  The Map constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Map behaviour must include a super call to the
+  Map constructor to create and initialize the subclass instance with the
+  internal state necessary to support the Map.prototype built-in methods.
+---*/
+
+class M extends Map {}
+
+var map = new M([{ 'foo': 'bar' }]);
+
+assert.sameValue(map.size, 1);
+
+map.set('bar', 'baz');
+
+assert.sameValue(map.size, 2);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js
new file mode 100644
index 0000000000..23d3e8dbf8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.1
+description: Super need to be called to initialize internals
+info: |
+  23.1.1 The Map Constructor
+
+  ...
+
+  The Map constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Map behaviour must include a super call to the
+  Map constructor to create and initialize the subclass instance with the
+  internal state necessary to support the Map.prototype built-in methods.
+---*/
+
+class M1 extends Map {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new M1();
+});
+
+class M2 extends Map {
+  constructor() {
+    super();
+  }
+}
+
+new M2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-message.js
new file mode 100644
index 0000000000..6d911069bf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends EvalError {}
+
+Err.prototype.message = 'custom-eval-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-eval-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-name.js
new file mode 100644
index 0000000000..9f4c87eeb5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends EvalError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'EvalError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-super.js
new file mode 100644
index 0000000000..3e7055bcc0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/EvalError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends EvalError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-message.js
new file mode 100644
index 0000000000..28931bfcd5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends RangeError {}
+
+Err.prototype.message = 'custom-range-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-range-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-name.js
new file mode 100644
index 0000000000..49a05b2ab0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends RangeError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'RangeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-super.js
new file mode 100644
index 0000000000..af5a17d16e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/RangeError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends RangeError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-message.js
new file mode 100644
index 0000000000..cb5626c984
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends ReferenceError {}
+
+Err.prototype.message = 'custom-reference-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-reference-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-name.js
new file mode 100644
index 0000000000..8898f2e7b5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends ReferenceError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'ReferenceError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-super.js
new file mode 100644
index 0000000000..b8517e4e25
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/ReferenceError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends ReferenceError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-message.js
new file mode 100644
index 0000000000..c5460959d6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends SyntaxError {}
+
+Err.prototype.message = 'custom-syntax-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-syntax-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-name.js
new file mode 100644
index 0000000000..19719c503c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends SyntaxError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'SyntaxError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-super.js
new file mode 100644
index 0000000000..00c4865cab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/SyntaxError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends SyntaxError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-message.js
new file mode 100644
index 0000000000..855e3ad1a4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends TypeError {}
+
+Err.prototype.message = 'custom-type-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-type-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-name.js
new file mode 100644
index 0000000000..ca1cb0995a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends TypeError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-super.js
new file mode 100644
index 0000000000..80fcbf935a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/TypeError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends TypeError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-message.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-message.js
new file mode 100644
index 0000000000..1131b75185
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-message.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  A new instance has the message property if created with a parameter
+info: |
+  19.5.6.1.1 NativeError ( message )
+
+  ...
+  4. If message is not undefined, then
+    a. Let msg be ToString(message).
+    b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: true,
+    [[Enumerable]]: false, [[Configurable]]: true}.
+    c. Let status be DefinePropertyOrThrow(O, "message", msgDesc).
+  ...
+includes: [propertyHelper.js]
+
+---*/
+
+class Err extends URIError {}
+
+Err.prototype.message = 'custom-uri-error';
+
+var err1 = new Err('foo 42');
+assert.sameValue(err1.message, 'foo 42');
+assert(err1.hasOwnProperty('message'));
+
+verifyWritable(err1, 'message');
+verifyNotEnumerable(err1, 'message');
+verifyConfigurable(err1, 'message');
+
+var err2 = new Err();
+assert.sameValue(err2.hasOwnProperty('message'), false);
+assert.sameValue(err2.message, 'custom-uri-error');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-name.js
new file mode 100644
index 0000000000..83d8d8f5e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1.1
+description: >
+  The name property on a new instance
+info: |
+  19.5.6.3.3 NativeError.prototype.name
+
+  The initial value of the name property of the prototype for a given
+  NativeError constructor is a string consisting of the name of the constructor
+  (the name used instead of NativeError).
+---*/
+
+class Err extends URIError {}
+
+var err1 = new Err();
+assert.sameValue(err1.name, 'URIError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-super.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-super.js
new file mode 100644
index 0000000000..3714a11749
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/URIError-super.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.5.6.1
+description: Super need to be called to initialize internals
+info: |
+  19.5.6.1  NativeError Constructors
+
+  ...
+  Each NativeError constructor is designed to be subclassable. It may be used as
+  the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified NativeError behaviour must include a
+  super call to the NativeError constructor to create and initialize subclass
+  instances with a [[ErrorData]] internal slot.
+---*/
+
+class CustomError extends URIError {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new CustomError();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/NativeError/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js
new file mode 100644
index 0000000000..f5764f046f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 20.1.1
+description: Subclassing the Number object
+info: |
+  20.1.1 The Number Constructor
+
+  ...
+
+  The Number constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Number behaviour must include a super call to
+  the Number constructor to create and initialize the subclass instance with a
+  [[NumberData]] internal slot.
+---*/
+
+class N extends Number {}
+
+var n = new N(42);
+
+assert.sameValue(n.toFixed(2), '42.00');
+assert.sameValue(n.toExponential(2), '4.20e+1');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/super-must-be-called.js
new file mode 100644
index 0000000000..fb37ca829c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/super-must-be-called.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 20.1.1
+description: Super need to be called to initialize internals
+info: |
+  20.1.1 The Number Constructor
+
+  ...
+
+  The Number constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Number behaviour must include a super call to
+  the Number constructor to create and initialize the subclass instance with a
+  [[NumberData]] internal slot.
+---*/
+
+class N extends Number {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new N();
+});
+
+class N2 extends Number {
+  constructor() {
+    super();
+  }
+}
+
+new N2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-return-undefined-throws.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-return-undefined-throws.js
new file mode 100644
index 0000000000..ddf4ec4795
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-return-undefined-throws.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: Throws a ReferenceError if constructor result is undefined
+info: |
+  9.2.2 [[Construct]] ( argumentsList, newTarget)
+
+  ...
+  11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+  ...
+  13. If result.[[type]] is return, then
+    a. If Type(result.[[value]]) is Object, return
+    NormalCompletion(result.[[value]]).
+    ...
+    c. If result.[[value]] is not undefined, throw a TypeError exception.
+  ...
+  15. Return envRec.GetThisBinding().
+
+  8.1.1.3.4 GetThisBinding ()
+
+  ...
+  3. If envRec.[[thisBindingStatus]] is "uninitialized", throw a ReferenceError
+  exception.
+  ...
+
+---*/
+
+class Obj extends Object {
+  constructor() {
+    return undefined;
+  }
+}
+
+class Obj2 extends Object {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new Obj();
+});
+
+assert.throws(ReferenceError, function() {
+  new Obj2();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-returns-non-object.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-returns-non-object.js
new file mode 100644
index 0000000000..6f266cc1e7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/constructor-returns-non-object.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: The Type of the return value must be an Object
+info: |
+  9.2.2 [[Construct]] ( argumentsList, newTarget)
+
+  ...
+  11. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+  ...
+  13. If result.[[type]] is return, then
+    a. If Type(result.[[value]]) is Object, return
+    NormalCompletion(result.[[value]]).
+    ...
+    c. If result.[[value]] is not undefined, throw a TypeError exception.
+  ...
+
+  6.1.7.2 Object Internal Methods and Internal Slots
+
+  ...
+  If any specified use of an internal method of an exotic object is not
+  supported by an implementation, that usage must throw a TypeError exception
+  when attempted.
+
+  6.1.7.3 Invariants of the Essential Internal Methods
+
+  [[Construct]] ( )
+    - The Type of the return value must be Object.
+---*/
+
+class Obj extends Object {
+  constructor() {
+    return 42;
+  }
+}
+
+assert.throws(TypeError, function() {
+  var obj = new Obj();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/regular-subclassing.js
new file mode 100644
index 0000000000..59b6afd6a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/regular-subclassing.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.1
+description: Subclassing Object
+info: |
+  19.1.1 The Object Constructor
+
+  The Object constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition.
+---*/
+
+class Obj extends Object {}
+
+var obj = new Obj();
+
+assert.notSameValue(
+  Object.getPrototypeOf(obj), Object.prototype,
+  'returns the class prototype'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/replacing-prototype.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/replacing-prototype.js
new file mode 100644
index 0000000000..dd6e7d5635
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/replacing-prototype.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.1
+description: Subclassing Object replacing a prototype method
+info: |
+  19.1.1 The Object Constructor
+
+  The Object constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition.
+---*/
+
+class Obj extends Object {
+  valueOf() {
+    return 42;
+  }
+}
+
+var obj = new Obj();
+
+assert.sameValue(obj.valueOf(), 42, 'Replaces prototype');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Object/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/regular-subclassing.js
new file mode 100644
index 0000000000..397e452cf0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/regular-subclassing.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.4.3
+description: Subclassing the Promise object
+info: |
+  25.4.3 The Promise Constructor
+
+  ...
+
+  The Promise constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Promise behaviour must include a super call
+  to the Promise constructor to create and initialize the subclass instance with
+  the internal state necessary to support the Promise and Promise.prototype
+  built-in methods.
+---*/
+
+class Prom extends Promise {}
+
+assert.throws(TypeError, function() {
+  new Prom();
+});
+
+var calledExecutor = false;
+var executorArguments;
+
+var prom1 = new Prom(function() {
+  calledExecutor = true;
+  executorArguments = arguments;
+});
+
+assert(calledExecutor);
+assert.sameValue(executorArguments.length, 2);
+assert.sameValue(typeof executorArguments[0], "function");
+assert.sameValue(typeof executorArguments[1], "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/super-must-be-called.js
new file mode 100644
index 0000000000..8ed2fb3f63
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Promise/super-must-be-called.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.4.3
+description: Super need to be called to initialize internals
+info: |
+  25.4.3 The Promise Constructor
+
+  ...
+
+  The Promise constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Promise behaviour must include a super call
+  to the Promise constructor to create and initialize the subclass instance with
+  the internal state necessary to support the Promise and Promise.prototype
+  built-in methods.
+---*/
+
+class Prom1 extends Promise {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new Prom1();
+});
+
+class Prom2 extends Promise {
+  constructor(exec) {
+    super(exec);
+  }
+}
+
+new Prom2(function() {});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/no-prototype-throws.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/no-prototype-throws.js
new file mode 100644
index 0000000000..c61848395c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/no-prototype-throws.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5.14
+description: The Proxy Object is not subclasseable without a prototype
+info: |
+  14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+  5. If ClassHeritageopt is not present, then
+    ...
+  6. Else
+    ...
+    e. If superclass is null, then
+      ...
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+    g. Else
+      ...
+      ii. Let protoParent be Get(superclass, "prototype").
+      iii. ReturnIfAbrupt(protoParent).
+      iv. If Type(protoParent) is neither Object nor Null, throw a TypeError exception.
+
+  26.2.1 The Proxy Constructor
+
+  The Proxy constructor is the %Proxy% intrinsic object and the initial value of
+  the Proxy property of the global object. When called as a constructor it
+  creates and initializes a new proxy exotic object. Proxy is not intended to be
+  called as a function and will throw an exception when called in that manner.
+---*/
+
+assert.throws(TypeError, function() {
+  class P extends Proxy {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Proxy/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/lastIndex.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/lastIndex.js
new file mode 100644
index 0000000000..bf0726227b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/lastIndex.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.2.6.1
+description: Instances has the own property lastIndex
+info: |
+  21.2.6.1 lastIndex
+
+  The value of the lastIndex property specifies the String index at which to
+  start the next match. It is coerced to an integer when used (see 21.2.5.2.2).
+  This property shall have the attributes { [[Writable]]: true, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+class RE extends RegExp {}
+
+var re = new RE('39?');
+
+re.exec('TC39');
+
+assert.sameValue(re.lastIndex, 0);
+
+verifyWritable(re, 'lastIndex');
+verifyNotEnumerable(re, 'lastIndex');
+verifyNotConfigurable(re, 'lastIndex');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/regular-subclassing.js
new file mode 100644
index 0000000000..3dab8a3ee6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/regular-subclassing.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.2.3
+description: Subclassing the RegExp object
+info: |
+  21.2.3 The RegExp Constructor
+
+  ...
+
+  The RegExp constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified RegExp behaviour must include a super call to
+  the RegExp constructor to create and initialize subclass instances with the
+  necessary internal slots.
+---*/
+
+class RE extends RegExp {}
+
+var re = new RE(39);
+
+assert.sameValue(re.test('TC39'), true);
+assert.sameValue(re.test('42'), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/super-must-be-called.js
new file mode 100644
index 0000000000..8d617a15ee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/RegExp/super-must-be-called.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.2.3
+description: Super need to be called to initialize internals
+info: |
+  21.2.3 The RegExp Constructor
+
+  ...
+
+  The RegExp constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified RegExp behaviour must include a super call to
+  the RegExp constructor to create and initialize subclass instances with the
+  necessary internal slots.
+---*/
+
+class RE1 extends RegExp {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new RE1();
+});
+
+class RE2 extends RegExp {
+  constructor() {
+    super();
+  }
+}
+
+new RE2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/regular-subclassing.js
new file mode 100644
index 0000000000..43a92d8a69
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/regular-subclassing.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.1
+description: Subclassing the Set object
+info: |
+  23.2.1 The Set Constructor
+
+  ...
+
+  The Set constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Set behaviour must include a super call to the
+  Set constructor to create and initialize the subclass instance with the
+  internal state necessary to support the Set.prototype built-in methods.
+---*/
+
+class S extends Set {}
+
+var set = new S([{}, {}]);
+
+assert.sameValue(set.size, 2);
+
+set.add({});
+
+assert.sameValue(set.size, 3);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/super-must-be-called.js
new file mode 100644
index 0000000000..1b5e23cd08
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Set/super-must-be-called.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.1
+description: Super need to be called to initialize internals
+info: |
+  23.2.1 The Set Constructor
+
+  ...
+
+  The Set constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified Set behaviour must include a super call to the
+  Set constructor to create and initialize the subclass instance with the
+  internal state necessary to support the Set.prototype built-in methods.
+---*/
+
+class S1 extends Set {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new S1();
+});
+
+class S2 extends Set {
+  constructor() {
+    super();
+  }
+}
+
+new S2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js
new file mode 100644
index 0000000000..0d1f33ef7f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.4
+description: Instances has the own property length
+info: |
+  21.1.4 Properties of String Instances
+
+  ...
+
+  String instances have a length property, and a set of enumerable properties
+  with integer indexed names.
+includes: [propertyHelper.js]
+---*/
+
+class S extends String {}
+
+var s1 = new S();
+assert.sameValue(s1.length, 0);
+
+verifyNotWritable(s1, 'length');
+verifyNotEnumerable(s1, 'length');
+verifyNotConfigurable(s1, 'length');
+
+var s2 = new S('test262');
+assert.sameValue(s2.length, 7);
+
+verifyNotWritable(s2, 'length');
+verifyNotEnumerable(s2, 'length');
+verifyNotConfigurable(s2, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js
new file mode 100644
index 0000000000..b5c2ac34be
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.1
+description: Subclassing the String object
+info: |
+  21.1.1 The String Constructor
+
+  ...
+  The String constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified String behaviour must include a super call to
+  the String constructor to create and initialize the subclass instance with a
+  [[StringData]] internal slot.
+---*/
+
+class S extends String {}
+
+var s = new S(' test262 ');
+
+assert.sameValue(s.trim(), 'test262');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js
new file mode 100644
index 0000000000..0c247e62db
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.1
+description: Super need to be called to initialize internals
+info: |
+  21.1.1 The String Constructor
+
+  ...
+  The String constructor is designed to be subclassable. It may be used as the
+  value of an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified String behaviour must include a super call to
+  the String constructor to create and initialize the subclass instance with a
+  [[StringData]] internal slot.
+---*/
+
+class S1 extends String {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new S1();
+});
+
+class S2 extends String {
+  constructor() {
+    super();
+  }
+}
+
+new S2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/new-symbol-with-super-throws.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/new-symbol-with-super-throws.js
new file mode 100644
index 0000000000..70cdae8717
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/new-symbol-with-super-throws.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.1
+description: Symbol subclass called with the new operator throws on super()
+info: |
+  19.4.1 The Symbol Constructor
+
+  ...
+  The Symbol constructor is not intended to be used with the new operator or to
+  be subclassed. It may be used as the value of an extends clause of a class
+  definition but a super call to the Symbol constructor will cause an exception.
+
+  19.4.1.1 Symbol ( [ description ] )
+
+  ...
+  1. If NewTarget is not undefined, throw a TypeError exception.
+features: [Symbol]
+---*/
+
+class S1 extends Symbol {}
+
+assert.throws(TypeError, function() {
+  new S1();
+});
+
+class S2 extends Symbol {
+  constructor() {
+    super();
+  }
+}
+
+assert.throws(TypeError, function() {
+  new S2();
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/symbol-valid-as-extends-value.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/symbol-valid-as-extends-value.js
new file mode 100644
index 0000000000..2ba5f953e2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Symbol/symbol-valid-as-extends-value.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.1
+description: Symbol can be used as the value of an extends
+info: |
+  19.4.1 The Symbol Constructor
+
+  ...
+  The Symbol constructor is not intended to be used with the new operator or to
+  be subclassed. It may be used as the value of an extends clause of a class
+  definition but a super call to the Symbol constructor will cause an exception.
+  ...
+features: [Symbol]
+---*/
+
+class S extends Symbol {}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js
new file mode 100644
index 0000000000..abc83cdf31
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.4
+description: Subclassing TypedArrays
+info: |
+  22.2.4 The TypedArray Constructors
+
+  ...
+
+  The TypedArray constructors are designed to be subclassable. They may be used
+  as the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified TypedArray behaviour must include a super
+  call to the TypedArray constructor to create and initialize the subclass
+  instance with the internal state necessary to support the
+  %TypedArray%.prototype built-in methods.
+---*/
+
+[
+  Int8Array,
+  Uint8Array,
+  Uint8ClampedArray,
+  Int16Array,
+  Uint16Array,
+  Int32Array,
+  Uint32Array,
+  Float32Array,
+  Float64Array
+].forEach(function(Constructor) {
+  class Typed extends Constructor {}
+
+  var arr = new Typed(2);
+
+  assert.sameValue(arr.length, 2);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/super-must-be-called.js
new file mode 100644
index 0000000000..5a8ae56122
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/super-must-be-called.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.4
+description: Super need to be called to initialize internals
+info: |
+  22.2.4 The TypedArray Constructors
+
+  ...
+
+  The TypedArray constructors are designed to be subclassable. They may be used
+  as the value of an extends clause of a class definition. Subclass constructors
+  that intend to inherit the specified TypedArray behaviour must include a super
+  call to the TypedArray constructor to create and initialize the subclass
+  instance with the internal state necessary to support the
+  %TypedArray%.prototype built-in methods.
+---*/
+
+[
+  Int8Array,
+  Uint8Array,
+  Uint8ClampedArray,
+  Int16Array,
+  Uint16Array,
+  Int32Array,
+  Uint32Array,
+  Float32Array,
+  Float64Array
+].forEach(function(Constructor) {
+  class Typed extends Constructor {
+    constructor() {}
+  }
+
+  assert.throws(ReferenceError, function() {
+    new Typed();
+  });
+
+  class TypedWithSuper extends Constructor {
+    constructor() {
+      super();
+    }
+  }
+
+  new TypedWithSuper();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/regular-subclassing.js
new file mode 100644
index 0000000000..04e2258258
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/regular-subclassing.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.3.1
+description: Subclassing the WeakMap object
+info: |
+  23.3.1 The WeakMap Constructor
+
+  ...
+
+  The WeakMap constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified WeakMap behaviour must include a super call to
+  the WeakMap constructor to create and initialize the subclass instance with
+  the internal state necessary to support the WeakMap.prototype built-in
+  methods.
+features: [WeakMap]
+---*/
+
+class WM extends WeakMap {}
+
+var map = new WM();
+var obj = {};
+
+assert.sameValue(map.has(obj), false);
+
+map.set(obj, 42);
+assert.sameValue(map.has(obj), true);
+assert.sameValue(map.get(obj), 42);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/super-must-be-called.js
new file mode 100644
index 0000000000..ae4c4acf2c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakMap/super-must-be-called.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.3.1
+description: Super need to be called to initialize internals
+info: |
+  23.3.1 The WeakMap Constructor
+
+  ...
+
+  The WeakMap constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified WeakMap behaviour must include a super call to
+  the WeakMap constructor to create and initialize the subclass instance with
+  the internal state necessary to support the WeakMap.prototype built-in
+  methods.
+features: [WeakMap]
+---*/
+
+class M1 extends WeakMap {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new M1();
+});
+
+class M2 extends WeakMap {
+  constructor() {
+    super();
+  }
+}
+
+new M2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/regular-subclassing.js
new file mode 100644
index 0000000000..9f8aa73318
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/regular-subclassing.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.4.1
+description: Subclassing the WeakSet object
+info: |
+  23.4.1 The WeakSet Constructor
+
+  ...
+
+  The WeakSet constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified WeakSet behaviour must include a super call to
+  the WeakSet constructor to create and initialize the subclass instance with
+  the internal state necessary to support the WeakSet.prototype built-in
+  methods.
+features: [WeakSet]
+---*/
+
+class WS extends WeakSet {}
+
+var set = new WS();
+var obj = {};
+
+assert.sameValue(set.has(obj), false);
+
+set.add(obj);
+assert.sameValue(set.has(obj), true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/super-must-be-called.js
new file mode 100644
index 0000000000..473bbf7c5e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/WeakSet/super-must-be-called.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.4.1
+description: Super need to be called to initialize internals
+info: |
+  23.4.1 The WeakSet Constructor
+
+  ...
+
+  The WeakSet constructor is designed to be subclassable. It may be used as the
+  value in an extends clause of a class definition. Subclass constructors that
+  intend to inherit the specified WeakSet behaviour must include a super call to
+  the WeakSet constructor to create and initialize the subclass instance with
+  the internal state necessary to support the WeakSet.prototype built-in
+  methods.
+features: [WeakSet]
+---*/
+
+class WS1 extends WeakSet {
+  constructor() {}
+}
+
+assert.throws(ReferenceError, function() {
+  new WS1();
+});
+
+class WS2 extends WeakSet {
+  constructor() {
+    super();
+  }
+}
+
+new WS2();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/browser.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtins.js b/js/src/tests/test262/language/statements/class/subclass/builtins.js
new file mode 100644
index 0000000000..dc95f7827a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtins.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class sublclassing builtins
+---*/
+class ExtendedUint8Array extends Uint8Array {
+  constructor() {
+    super(10);
+    this[0] = 255;
+    this[1] = 0xFFA;
+  }
+}
+
+var eua = new ExtendedUint8Array();
+assert.sameValue(eua.length, 10, "The value of `eua.length` is `10`");
+assert.sameValue(eua.byteLength, 10, "The value of `eua.byteLength` is `10`");
+assert.sameValue(eua[0], 0xFF, "The value of `eua[0]` is `0xFF`");
+assert.sameValue(eua[1], 0xFA, "The value of `eua[1]` is `0xFA`");
+assert.sameValue(
+  Object.getPrototypeOf(eua),
+  ExtendedUint8Array.prototype,
+  "`Object.getPrototypeOf(eua)` returns `ExtendedUint8Array.prototype`"
+);
+assert.sameValue(
+  Object.prototype.toString.call(eua),
+  "[object Uint8Array]",
+  "`Object.prototype.toString.call(eua)` returns `\"[object Uint8Array]\"`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-evaluation-empty-constructor-heritage-present.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-evaluation-empty-constructor-heritage-present.js
new file mode 100644
index 0000000000..2039140be5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-evaluation-empty-constructor-heritage-present.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5.14
+description: >
+    10. If constructor is empty, then,
+      a. If ClassHeritageopt is present, then
+        i. Let constructor be the result of parsing the String "constructor(... args){ super (...args);}" using the syntactic grammar with the goal symbol MethodDefinition.
+---*/
+var args;
+
+class A {
+  constructor() {
+    args = arguments;
+  }
+}
+
+class B extends A {
+  /*
+    The missing constructor is created by the runtime:
+
+    constructor(...args) {
+      super(...args);
+    }
+
+   */
+}
+
+new B(0, 1, 2);
+
+
+assert.sameValue(args[0], 0);
+assert.sameValue(args[1], 1);
+assert.sameValue(args[2], 2);
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js
new file mode 100644
index 0000000000..5fc6aa0c29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+es6id: 14.5.14
+description: >
+    The constructor of a null-extending class can contain an explicit return value.
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  15. If ClassHeritageopt is present, then set F's [[ConstructorKind]] internal slot to "derived".
+  [...]
+
+  9.2.2 [[Construct]]
+
+  [...]
+  13. If result.[[Type]] is return, then
+     a. If Type(result.[[Value]]) is Object, return NormalCompletion(result.[[Value]]).
+  [...]
+---*/
+var obj;
+
+class Foo extends null {
+  constructor() {
+    return obj = {};
+  }
+}
+
+var f = new Foo();
+
+assert.sameValue(f, obj);
+assert.sameValue(Object.getPrototypeOf(f), Object.prototype);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-missing-return-override.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-missing-return-override.js
new file mode 100644
index 0000000000..efdb8d3299
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-missing-return-override.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  The `this` value of a null-extending class isn't automatically initialized,
+  which makes it necessary to have an explicit return value in the constructor.
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  5. If ClassHeritageopt is not present, then
+     [...]
+  6. Else,
+     [...]
+     b. Let superclass be the result of evaluating ClassHeritage.
+  [...]
+  15. If ClassHeritageopt is present, then set F's [[ConstructorKind]] internal slot to "derived".
+  [...]
+
+  9.2.2 [[Construct]]
+
+  [...]
+  15. Return ? envRec.GetThisBinding().
+
+  8.1.1.3.4 GetThisBinding ( )
+  [...]
+  3. If envRec.[[ThisBindingStatus]] is "uninitialized", throw a ReferenceError exception.
+  [...]
+---*/
+
+class Foo extends null {
+  constructor() {
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js
new file mode 100644
index 0000000000..5270bb8c72
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  Attempting to call `super()` in a null-extending class throws a TypeError,
+  because %FunctionPrototype% cannot be called as constructor function.
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  5. If ClassHeritageopt is not present, then
+     [...]
+  6. Else,
+     [...]
+     b. Let superclass be the result of evaluating ClassHeritage.
+     [...]
+     e. If superclass is null, then
+        [...]
+        ii. Let constructorParent be the intrinsic object %FunctionPrototype%.
+  [...]
+  15. Let constructorInfo be the result of performing DefineMethod for constructor with arguments proto and constructorParent as the optional functionPrototype argument.
+  [...]
+
+  12.3.5.1 Runtime Semantics: Evaluation
+
+  SuperCall : super Arguments
+
+  [...]
+  3. Let func be ! GetSuperConstructor().
+  4. Let argList be ? ArgumentListEvaluation of Arguments.
+  5. If IsConstructor(func) is false, throw a TypeError exception.
+  [...]
+---*/
+
+var unreachable = 0;
+var reachable = 0;
+
+class C extends null {
+  constructor() {
+    reachable += 1;
+    super();
+    unreachable += 1;
+  }
+}
+
+assert.throws(TypeError, function() {
+  new C();
+});
+
+assert.sameValue(reachable, 1);
+assert.sameValue(unreachable, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-this.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-this.js
new file mode 100644
index 0000000000..e4d4b6a917
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-this.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  The `this` value of a null-extending class isn't automatically initialized
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  15. If ClassHeritageopt is present, then set F's [[ConstructorKind]] internal slot to "derived".
+  [...]
+
+  12.2.2.1 Runtime Semantics: Evaluation
+  PrimaryExpression : this
+  1. Return ? ResolveThisBinding( ).
+
+  8.3.4 ResolveThisBinding ( )
+  [...]
+  2. Return ? envRec.GetThisBinding().
+  
+  8.1.1.3.4 GetThisBinding ( )
+  [...]
+  3. If envRec.[[ThisBindingStatus]] is "uninitialized", throw a ReferenceError exception.
+  [...]
+---*/
+
+class C extends null {
+  constructor() {
+    // Use an arrow function to access the `this` binding of the class constructor.
+    assert.throws(ReferenceError, () => {
+      this;
+    });
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto.js
new file mode 100644
index 0000000000..da766ba6ff
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+es6id: 14.5.14
+description: >
+  The prototype of a null-extending class is %FunctionPrototype%, the prototype of
+  its "prototype" property is `null`.
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  5. If ClassHeritageopt is not present, then
+     [...]
+  6. Else,
+     [...]
+     b. Let superclass be the result of evaluating ClassHeritage.
+     [...]
+     e. If superclass is null, then
+         i. Let protoParent be null.
+        ii. Let constructorParent be the intrinsic object %FunctionPrototype%.
+  [...]
+---*/
+
+class Foo extends null {}
+
+assert.sameValue(Object.getPrototypeOf(Foo.prototype), null);
+assert.sameValue(Object.getPrototypeOf(Foo.prototype.constructor), Function.prototype);
+assert.sameValue(Foo, Foo.prototype.constructor);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js
new file mode 100644
index 0000000000..951b569c66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-parent-proto-null.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: A class which extends a constructor with null .prototype is a derived class.
+---*/
+
+var invoked = false;
+var instance, savedArg;
+
+function A(arg) {
+  invoked = true;
+  savedArg = arg;
+  this.prop = 0;
+}
+A.prototype = null;
+
+class C extends A {}
+
+instance = new C(1);
+
+assert.sameValue(invoked, true);
+assert.sameValue(savedArg, 1);
+assert.sameValue(instance.prop, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/default-constructor-2.js b/js/src/tests/test262/language/statements/class/subclass/default-constructor-2.js
new file mode 100644
index 0000000000..e5a984401d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/default-constructor-2.js
@@ -0,0 +1,65 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class default constructor 2
+---*/
+class Base1 { }
+assert.throws(TypeError, function() { Base1(); });
+
+class Subclass1 extends Base1 { }
+
+assert.throws(TypeError, function() { Subclass1(); });
+
+var s1 = new Subclass1();
+assert.sameValue(
+  Subclass1.prototype,
+  Object.getPrototypeOf(s1),
+  "The value of `Subclass1.prototype` is `Object.getPrototypeOf(s1)`, after executing `var s1 = new Subclass1();`"
+);
+
+class Base2 {
+  constructor(x, y) {
+    this.x = x;
+    this.y = y;
+  }
+}
+
+class Subclass2 extends Base2 {};
+
+var s2 = new Subclass2(1, 2);
+
+assert.sameValue(
+  Subclass2.prototype,
+  Object.getPrototypeOf(s2),
+  "The value of `Subclass2.prototype` is `Object.getPrototypeOf(s2)`, after executing `var s2 = new Subclass2(1, 2);`"
+);
+assert.sameValue(s2.x, 1, "The value of `s2.x` is `1`");
+assert.sameValue(s2.y, 2, "The value of `s2.y` is `2`");
+
+var f = Subclass2.bind({}, 3, 4);
+var s2prime = new f();
+assert.sameValue(
+  Subclass2.prototype,
+  Object.getPrototypeOf(s2prime),
+  "The value of `Subclass2.prototype` is `Object.getPrototypeOf(s2prime)`"
+);
+assert.sameValue(s2prime.x, 3, "The value of `s2prime.x` is `3`");
+assert.sameValue(s2prime.y, 4, "The value of `s2prime.y` is `4`");
+
+
+var obj = {};
+class Base3 {
+  constructor() {
+    return obj;
+  }
+}
+
+class Subclass3 extends Base3 {};
+
+var s3 = new Subclass3();
+assert.sameValue(s3, obj, "The value of `s3` is `obj`");
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/default-constructor-spread-override.js b/js/src/tests/test262/language/statements/class/subclass/default-constructor-spread-override.js
new file mode 100644
index 0000000000..72d76c00a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/default-constructor-spread-override.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2016 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  Default class constructor does not use argument evaluation.
+features: [Symbol.iterator]
+---*/
+
+Array.prototype[Symbol.iterator] = function() {
+  throw new Test262Error('@@iterator invoked');
+};
+
+class Base {
+  constructor(value) {
+    this.value = value;
+  }
+}
+
+class Derived extends Base {}
+
+const instance = new Derived(5);
+
+assert.sameValue(instance.value, 5);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/default-constructor.js b/js/src/tests/test262/language/statements/class/subclass/default-constructor.js
new file mode 100644
index 0000000000..5976b13a8b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/default-constructor.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    class default constructor
+---*/
+var calls = 0;
+class Base {
+  constructor() {
+    calls++;
+  }
+}
+class Derived extends Base {}
+var object = new Derived();
+assert.sameValue(calls, 1, "The value of `calls` is `1`");
+
+calls = 0;
+assert.throws(TypeError, function() { Derived(); });
+assert.sameValue(calls, 0, "The value of `calls` is `0`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally-arrow.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally-arrow.js
new file mode 100644
index 0000000000..f2bebd31f5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally-arrow.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  `super()` in finally block is executed before checking for missing `super()`
+  call when `return` is in a catch block. The `super()` call is performed
+  through an arrow function.
+---*/
+
+class C extends class {} {
+  constructor() {
+    var f = () => super();
+
+    try {
+      throw null;
+    } catch(e) {
+      return;
+    } finally {
+      f();
+    }
+  }
+}
+
+var o = new C();
+assert.sameValue(typeof o, "object");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally.js
new file mode 100644
index 0000000000..e296a4642b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-finally.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  `super()` in finally block is executed before checking for missing `super()`
+  call when `return` is in a catch block.
+---*/
+
+class C extends class {} {
+  constructor() {
+    try {
+      throw null;
+    } catch(e) {
+      return;
+    } finally {
+      super();
+    }
+  }
+}
+
+var o = new C();
+assert.sameValue(typeof o, "object");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super-arrow.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super-arrow.js
new file mode 100644
index 0000000000..d7f4a4ef1c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super-arrow.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  TypeError from `return 0` is not catchable with `super` called in catch block
+  from an arrow function.
+---*/
+
+class C extends class {} {
+  constructor() {
+    var f = () => super();
+
+    try {
+      return 0;
+    } catch(e) {
+      f();
+    }
+  }
+}
+
+assert.throws(TypeError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super.js
new file mode 100644
index 0000000000..6497f86914
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch-super.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  TypeError from `return 0` is not catchable with `super` in catch block.
+---*/
+
+class C extends class {} {
+  constructor() {
+    try {
+      return 0;
+    } catch(e) {
+      super();
+    }
+  }
+}
+
+assert.throws(TypeError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch.js
new file mode 100644
index 0000000000..253cc850e8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-catch.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  TypeError from `return 0` is not catchable.
+---*/
+
+class C extends class {} {
+  constructor() {
+    super();
+
+    try {
+      return 0;
+    } catch(e) {
+      return;
+    }
+  }
+}
+
+assert.throws(TypeError, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super-arrow.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super-arrow.js
new file mode 100644
index 0000000000..b0b7246055
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super-arrow.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  `super()` in finally block is executed before checking for missing `super()`
+  call when `return` is in a try block. The `super()` call is performed
+  through an arrow function.
+---*/
+
+class C extends class {} {
+  constructor() {
+    var f = () => super();
+
+    try {
+      return;
+    } finally {
+      f();
+    }
+  }
+}
+
+var o = new C();
+assert.sameValue(typeof o, "object");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super.js
new file mode 100644
index 0000000000..5b7f585b62
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-finally-super.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  `super()` in finally block is executed before checking for missing `super()`
+  call when `return` is in a try block.
+---*/
+
+class C extends class {} {
+  constructor() {
+    try {
+      return;
+    } finally {
+      super();
+    }
+  }
+}
+
+var o = new C();
+assert.sameValue(typeof o, "object");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of-arrow.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of-arrow.js
new file mode 100644
index 0000000000..020dcbb6d8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of-arrow.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  ReferenceError when returning from a derived class constructor without calling
+  `super()` is thrown after the function body has been left, so an iterator
+  return handler can still call `super()`.
+---*/
+
+var iter = {
+  [Symbol.iterator]() {
+    return this;
+  },
+  next() {
+    return {done: false};
+  },
+  return() {
+    // Calls |super()|.
+    this.f();
+
+    return {done: true};
+  },
+};
+
+class C extends class {} {
+  constructor() {
+    iter.f = () => super();
+
+    for (var k of iter) {
+      return;
+    }
+  }
+}
+
+var o = new C();
+assert.sameValue(typeof o, "object");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of.js
new file mode 100644
index 0000000000..c0bc4e153d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-for-of.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
+description: >
+  TypeError from `return 0` is thrown after the function body has been left, so
+  an error thrown from an iterator has precedence.
+---*/
+
+var error = new Test262Error();
+
+var iter = {
+  [Symbol.iterator]() {
+    return this;
+  },
+  next() {
+    return {done: false};
+  },
+  return() {
+    throw error;
+  },
+};
+
+class C extends class {} {
+  constructor() {
+    super();
+
+    for (var k of iter) {
+      return 0;
+    }
+  }
+}
+
+assert.throws(Test262Error, function() {
+  new C();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-boolean.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-boolean.js
new file mode 100644
index 0000000000..5e62e661da
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-boolean.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, throw a TypeError exception.
+    ...
+
+    `return true;`
+
+---*/
+class Base {
+  constructor() {}
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return true;
+  }
+}
+
+assert.throws(TypeError, function() {
+  new Derived();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-empty.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-empty.js
new file mode 100644
index 0000000000..28bb88ecee
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-empty.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, ...
+    14. Else, ReturnIfAbrupt(result).
+    15. Return envRec.GetThisBinding().
+
+    `return (empty);` Should be the same as `return undefined;`
+---*/
+var calls = 0;
+class Base {
+  constructor() {
+    this.prop = 1;
+    calls++;
+  }
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return;
+  }
+}
+
+var object = new Derived();
+
+// super is called
+assert.sameValue(calls, 1, "The value of `calls` is `1`, because `super()`");
+
+// undefined was returned
+assert.sameValue(object.prop, 1);
+assert.sameValue(object instanceof Derived, true);
+assert.sameValue(object instanceof Base, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-null.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-null.js
new file mode 100644
index 0000000000..9d1c0660d0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-null.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, throw a TypeError exception.
+    ...
+
+    `return null;`
+
+---*/
+class Base {
+  constructor() {}
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return null;
+  }
+}
+
+assert.throws(TypeError, function() {
+  new Derived();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-number.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-number.js
new file mode 100644
index 0000000000..7dbb94394f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-number.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, throw a TypeError exception.
+    ...
+
+    `return 0;`
+
+---*/
+class Base {
+  constructor() {}
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return 0;
+  }
+}
+
+assert.throws(TypeError, function() {
+  new Derived();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js
new file mode 100644
index 0000000000..a1581be078
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      a. If Type(result.[[value]]) is Object, return NormalCompletion(result.[[value]]).
+      ...
+    ...
+
+    `return {};`
+
+---*/
+var calls = 0;
+class Base {
+  constructor() {
+    this.prop = 1;
+    calls++;
+  }
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return {};
+  }
+}
+
+var object = new Derived();
+
+// super is called
+assert.sameValue(calls, 1, "The value of `calls` is `1`, because `super()`");
+
+// But the this object was discarded.
+assert.sameValue(typeof object.prop, "undefined");
+assert.sameValue(object instanceof Derived, false);
+assert.sameValue(object instanceof Base, false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-string.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-string.js
new file mode 100644
index 0000000000..c670fae177
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-string.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, throw a TypeError exception.
+    ...
+
+    `return "";`
+
+---*/
+class Base {
+  constructor() {}
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return "";
+  }
+}
+
+assert.throws(TypeError, function() {
+  new Derived();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-symbol.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-symbol.js
new file mode 100644
index 0000000000..d4b3315212
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-symbol.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, throw a TypeError exception.
+    ...
+
+    `return Symbol();`
+
+features: [Symbol]
+---*/
+class Base {
+  constructor() {}
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return Symbol();
+  }
+}
+
+assert.throws(TypeError, function() {
+  new Derived();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-this.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-this.js
new file mode 100644
index 0000000000..49cf683e04
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-this.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      b. If kind is "base", return NormalCompletion(thisArgument).
+      ...
+    ...
+
+    `return this;`
+
+---*/
+var calls = 0;
+class Base {
+  constructor() {
+    this.prop = 1;
+    calls++;
+  }
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return this;
+  }
+}
+
+var object = new Derived();
+
+// super is called
+assert.sameValue(calls, 1, "The value of `calls` is `1`, because `super()`");
+
+// The this object was returned.
+assert.sameValue(object.prop, 1);
+assert.sameValue(object instanceof Derived, true);
+assert.sameValue(object instanceof Base, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-undefined.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-undefined.js
new file mode 100644
index 0000000000..882889c9b1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-undefined.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.2.2
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    ...
+    13. If result.[[type]] is return, then
+      ...
+      c. If result.[[value]] is not undefined, ...
+    14. Else, ReturnIfAbrupt(result).
+    15. Return envRec.GetThisBinding().
+
+    `return undefined;`
+
+---*/
+var calls = 0;
+class Base {
+  constructor() {
+    this.prop = 1;
+    calls++;
+  }
+}
+class Derived extends Base {
+  constructor() {
+    super();
+
+    return undefined;
+  }
+}
+
+var object = new Derived();
+
+// super is called
+assert.sameValue(calls, 1, "The value of `calls` is `1`, because `super()`");
+
+// undefined was returned
+assert.sameValue(object.prop, 1);
+assert.sameValue(object instanceof Derived, true);
+assert.sameValue(object instanceof Base, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/shell.js b/js/src/tests/test262/language/statements/class/subclass/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/shell.js
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-arrow-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-arrow-function.js
new file mode 100644
index 0000000000..be59091134
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-arrow-function.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  IsConstructor check is performed before "prototype" lookup.
+  Arrow functions are not constructors (MakeConstructor is not called on them).
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  5. Else,
+    [...]
+    d. Let superclass be ? GetValue(superclassRef).
+    e. If superclass is null, then
+      [...]
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+features: [arrow-function, class, Proxy]
+---*/
+
+var fn = () => {};
+Object.defineProperty(fn, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class A extends fn {}
+});
+
+var bound = (() => {}).bind();
+Object.defineProperty(bound, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends bound {}
+});
+
+var proxy = new Proxy(() => {}, {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends proxy {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-async-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-async-function.js
new file mode 100644
index 0000000000..b9e71515ac
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-async-function.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  IsConstructor check is performed before "prototype" lookup.
+  Async functions are not constructors (MakeConstructor is not called on them).
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  5. Else,
+    [...]
+    d. Let superclass be ? GetValue(superclassRef).
+    e. If superclass is null, then
+      [...]
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+features: [async-functions, class, Proxy]
+---*/
+
+async function fn() {}
+Object.defineProperty(fn, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class A extends fn {}
+});
+
+var bound = (async function() {}).bind();
+Object.defineProperty(bound, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends bound {}
+});
+
+var proxy = new Proxy(async function() {}, {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends proxy {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js
new file mode 100644
index 0000000000..d77acb6c90
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  IsConstructor check is performed before "prototype" lookup.
+  Async generator functions are not constructors (MakeConstructor is not called on them).
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  5. Else,
+    [...]
+    d. Let superclass be ? GetValue(superclassRef).
+    e. If superclass is null, then
+      [...]
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+features: [async-iteration, class, Proxy]
+---*/
+
+async function* fn() {}
+
+assert.throws(TypeError, function() {
+  class A extends fn {}
+});
+
+var bound = (async function* () {}).bind();
+Object.defineProperty(bound, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends bound {}
+});
+
+var proxy = new Proxy(async function* () {}, {});
+
+assert.throws(TypeError, function() {
+  class C extends proxy {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-bound-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-bound-function.js
new file mode 100644
index 0000000000..2f95cc1ccf
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-bound-function.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: SuperClass may be a bound function object
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  5. Else,
+    [...]
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+    g. Else,
+      i. Let protoParent be ? Get(superclass, "prototype").
+      ii. If Type(protoParent) is neither Object nor Null, throw a TypeError exception.
+      iii. Let constructorParent be superclass.
+features: [class]
+---*/
+
+var bound = function() {}.bind();
+bound.prototype = {};
+
+class C extends bound {}
+
+assert.sameValue(Object.getPrototypeOf(new C()), C.prototype);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-generator-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-generator-function.js
new file mode 100644
index 0000000000..c49a6be82a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-generator-function.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  IsConstructor check is performed before "prototype" lookup.
+  Generator functions are not constructors (MakeConstructor is not called on them).
+info: |
+  ClassDefinitionEvaluation
+
+  [...]
+  5. Else,
+    [...]
+    d. Let superclass be ? GetValue(superclassRef).
+    e. If superclass is null, then
+      [...]
+    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
+features: [generators, class, Proxy]
+---*/
+
+function* fn() {}
+
+assert.throws(TypeError, function() {
+  class A extends fn {}
+});
+
+var bound = (function* () {}).bind();
+Object.defineProperty(bound, "prototype", {
+  get: function() {
+    throw new Test262Error("`superclass.prototype` is unreachable");
+  },
+});
+
+assert.throws(TypeError, function() {
+  class C extends bound {}
+});
+
+var proxy = new Proxy(function* () {}, {});
+
+assert.throws(TypeError, function() {
+  class C extends proxy {}
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-constructor.js b/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-constructor.js
new file mode 100644
index 0000000000..04f3f34ced
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-constructor.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    superclass setter "constructor" override
+---*/
+function Base() {}
+
+Base.prototype = {
+  set constructor(_) {
+    throw new Test262Error("`Base.prototype.constructor` is unreachable.");
+  }
+};
+
+class C extends Base {}
+
+new C();
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-method-override.js b/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-method-override.js
new file mode 100644
index 0000000000..f137ad2140
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-prototype-setter-method-override.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    superclass prototype override
+---*/
+function Base() {}
+
+Base.prototype = {
+  set m(_) {
+    throw new Test262Error("`Base.prototype.m` is unreachable.");
+  }
+};
+
+class C extends Base {
+  m() {
+    return 1;
+  }
+}
+
+assert.sameValue(new C().m(), 1, "`new C().m()` returns `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-static-method-override.js b/js/src/tests/test262/language/statements/class/subclass/superclass-static-method-override.js
new file mode 100644
index 0000000000..bd3d17d807
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/superclass-static-method-override.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    Static method override
+---*/
+function Base() {}
+Object.defineProperty(Base, 'staticM', {
+  set: function() {
+    throw new Test262Error("`Base.staticM` is unreachable.");
+  }
+});
+
+class C extends Base {
+  static staticM() {
+    return 1;
+  }
+}
+
+assert.sameValue(C.staticM(), 1, "`C.staticM()` returns `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/browser.js b/js/src/tests/test262/language/statements/class/super/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/browser.js
diff --git a/js/src/tests/test262/language/statements/class/super/in-constructor-superproperty-evaluation.js b/js/src/tests/test262/language/statements/class/super/in-constructor-superproperty-evaluation.js
new file mode 100644
index 0000000000..43ef9d6bc2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-constructor-superproperty-evaluation.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+  SuperProperty evaluation order: super() thisBinding initialization must occur first.
+---*/
+class Derived extends Object {
+  constructor() {
+    super[super()];
+    throw new Test262Error();
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  new Derived();
+}, '`super[super()]` via `new Derived()` throws a ReferenceError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-constructor.js b/js/src/tests/test262/language/statements/class/super/in-constructor.js
new file mode 100644
index 0000000000..e635c94ed4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-constructor.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in constructor
+---*/
+var calls = 0;
+class B {}
+B.prototype.x = 42;
+
+class C extends B {
+  constructor() {
+    super();
+    calls++;
+    assert.sameValue(super.x, 42, "The value of `super.x` is `42`");
+  }
+}
+
+new C;
+assert.sameValue(calls, 1, "The value of `calls` is `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-getter.js b/js/src/tests/test262/language/statements/class/super/in-getter.js
new file mode 100644
index 0000000000..b8be37b2a3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-getter.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in getter
+---*/
+class B {
+  method() {
+    return 1;
+  }
+  get x() {
+    return 2;
+  }
+}
+class C extends B {
+  get y() {
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    return super.method();
+  }
+}
+assert.sameValue(new C().y, 1, "The value of `new C().y` is `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-methods.js b/js/src/tests/test262/language/statements/class/super/in-methods.js
new file mode 100644
index 0000000000..90d2e08c66
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-methods.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in methods
+---*/
+class B {
+  method() {
+    return 1;
+  }
+  get x() {
+    return 2;
+  }
+}
+class C extends B {
+  method() {
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    return super.method();
+  }
+}
+assert.sameValue(new C().method(), 1, "`new C().method()` returns `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-setter.js b/js/src/tests/test262/language/statements/class/super/in-setter.js
new file mode 100644
index 0000000000..52cade7f64
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-setter.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in setter
+---*/
+class B {
+  method() {
+    return 1;
+  }
+  get x() {
+    return 2;
+  }
+}
+class C extends B {
+  set y(v) {
+    assert.sameValue(v, 3, "The value of `v` is `3`");
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    assert.sameValue(super.method(), 1, "`super.method()` returns `1`");
+  }
+}
+assert.sameValue(new C().y = 3, 3, "`new C().y = 3` is `3`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-static-getter.js b/js/src/tests/test262/language/statements/class/super/in-static-getter.js
new file mode 100644
index 0000000000..edff783e68
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-static-getter.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in static getter
+---*/
+class B {
+  static method() {
+    return 1;
+  }
+  static get x() {
+    return 2;
+  }
+}
+class C extends B {
+  static get x() {
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    return super.method();
+  }
+}
+assert.sameValue(C.x, 1, "The value of `C.x` is `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-static-methods.js b/js/src/tests/test262/language/statements/class/super/in-static-methods.js
new file mode 100644
index 0000000000..1d6808e0a2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-static-methods.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in static methods
+---*/
+class B {
+  static method() {
+    return 1;
+  }
+  static get x() {
+    return 2;
+  }
+}
+class C extends B {
+  static method() {
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    return super.method();
+  }
+}
+assert.sameValue(C.method(), 1, "`C.method()` returns `1`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/in-static-setter.js b/js/src/tests/test262/language/statements/class/super/in-static-setter.js
new file mode 100644
index 0000000000..e870d302a6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/in-static-setter.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-makesuperpropertyreference
+description: >
+    class super in static setter
+---*/
+class B {
+  static method() {
+    return 1;
+  }
+  static get x() {
+    return 2;
+  }
+}
+class C extends B {
+  static set x(v) {
+    assert.sameValue(v, 3, "The value of `v` is `3`");
+    assert.sameValue(super.x, 2, "The value of `super.x` is `2`");
+    assert.sameValue(super.method(), 1, "`super.method()` returns `1`");
+  }
+}
+assert.sameValue(C.x = 3, 3, "`C.x = 3` is `3`");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/super/shell.js b/js/src/tests/test262/language/statements/class/super/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/super/shell.js
diff --git a/js/src/tests/test262/language/statements/class/syntax/browser.js b/js/src/tests/test262/language/statements/class/syntax/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/browser.js
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-body-has-direct-super-class-heritage.js b/js/src/tests/test262/language/statements/class/syntax/class-body-has-direct-super-class-heritage.js
new file mode 100644
index 0000000000..4c8a3a1499
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-body-has-direct-super-class-heritage.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5.1
+description: >
+    The opposite of:
+
+      ClassTail : ClassHeritageopt { ClassBody }
+
+      It is a Syntax Error if ClassHeritage is not present and the following algorithm evaluates to true:
+        1. Let constructor be ConstructorMethod of ClassBody.
+        2. If constructor is empty, return false.
+        3. Return HasDirectSuper of constructor.
+---*/
+class A {}
+class B extends A {
+  constructor() {
+    super();
+  }
+}
+
+
+assert.sameValue(typeof B, "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-body-method-definition-super-property.js b/js/src/tests/test262/language/statements/class/syntax/class-body-method-definition-super-property.js
new file mode 100644
index 0000000000..0d98925d67
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-body-method-definition-super-property.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5.1
+description: >
+    No restrictions on SuperProperty
+---*/
+class A {
+  constructor() {
+    super.toString();
+  }
+  dontDoThis() {
+    super.makeBugs = 1;
+  }
+}
+
+
+assert.sameValue(typeof A, "function");
+
+var a = new A();
+
+a.dontDoThis();
+assert.sameValue(a.makeBugs, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-declaration-binding-identifier-class-element-list.js b/js/src/tests/test262/language/statements/class/syntax/class-declaration-binding-identifier-class-element-list.js
new file mode 100644
index 0000000000..bebea48ef1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-declaration-binding-identifier-class-element-list.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassDeclaration:
+      class BindingIdentifier ClassTail
+
+    ClassTail:
+      ... { ClassBodyopt }
+
+    ClassBody[Yield] :
+      ClassElementList[?Yield]
+
+
+    ClassElementList[Yield] :
+      ClassElement[?Yield]
+      ClassElementList[?Yield] ClassElement[?Yield]
+
+    ClassElement[Yield] :
+      MethodDefinition[?Yield]
+      static MethodDefinition[?Yield]
+      ;
+
+
+---*/
+class A {
+  method() {}
+  static method() {}
+  ;
+}
+
+assert.sameValue(typeof A, "function");
+assert.sameValue(typeof A.prototype.method, "function");
+assert.sameValue(typeof A.method, "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-definition.js b/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-definition.js
new file mode 100644
index 0000000000..01baa0e028
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-definition.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassDeclaration:
+      class BindingIdentifier ClassTail
+
+    ClassTail:
+      ... { ClassBodyopt }
+
+    ClassBody[Yield] :
+      ClassElementList[?Yield]
+
+
+    ClassElementList[Yield] :
+      ClassElement[?Yield]
+      ClassElementList[?Yield] ClassElement[?Yield]
+
+    ClassElement[Yield] :
+      MethodDefinition[?Yield]
+      ...
+
+---*/
+class A {
+  [1]() {}
+}
+
+assert.sameValue(typeof A, "function");
+assert.sameValue(typeof A.prototype[1], "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-generator-definition.js b/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-generator-definition.js
new file mode 100644
index 0000000000..1f209a0777
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-declaration-computed-method-generator-definition.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassDeclaration:
+      class BindingIdentifier ClassTail
+
+    ClassTail:
+      ... { ClassBodyopt }
+
+    ClassBody[Yield] :
+      ClassElementList[?Yield]
+
+
+    ClassElementList[Yield] :
+      ClassElement[?Yield]
+      ClassElementList[?Yield] ClassElement[?Yield]
+
+    ClassElement[Yield] :
+      MethodDefinition[?Yield]
+      ...
+
+---*/
+class A {
+  *[1]() {}
+}
+
+assert.sameValue(typeof A, "function");
+assert.sameValue(typeof A.prototype[1], "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-declaration-heritage-identifier-reference-class-element-list.js b/js/src/tests/test262/language/statements/class/syntax/class-declaration-heritage-identifier-reference-class-element-list.js
new file mode 100644
index 0000000000..ddfca89cc9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-declaration-heritage-identifier-reference-class-element-list.js
@@ -0,0 +1,56 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassHeritage[Yield] :
+      extends LeftHandSideExpression[?Yield]
+
+    LeftHandSideExpression :
+      NewExpression
+      ...
+
+    NewExpression :
+      MemberExpression
+      ...
+
+    MemberExpression :
+      PrimaryExpression
+      ...
+
+    PrimaryExpression :
+      IdentifierReference
+      ...
+
+    ClassDeclaration:
+      class BindingIdentifier ClassTail
+
+    ClassTail:
+      ... { ClassBodyopt }
+
+    ClassBody[Yield] :
+      ClassElementList[?Yield]
+
+
+    ClassElementList[Yield] :
+      ClassElement[?Yield]
+      ClassElementList[?Yield] ClassElement[?Yield]
+
+    ClassElement[Yield] :
+      MethodDefinition[?Yield]
+      static MethodDefinition[?Yield]
+      ;
+
+---*/
+class A {}
+class B extends A {
+  method() {}
+  static method() {}
+  ;
+}
+
+assert.sameValue(typeof B, "function");
+assert.sameValue(typeof B.prototype.method, "function");
+assert.sameValue(typeof B.method, "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-expression-binding-identifier-opt-class-element-list.js b/js/src/tests/test262/language/statements/class/syntax/class-expression-binding-identifier-opt-class-element-list.js
new file mode 100644
index 0000000000..a0822488c1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-expression-binding-identifier-opt-class-element-list.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassExpression[Yield,GeneratorParameter] :
+      class BindingIdentifier[?Yield]opt ClassTail[?Yield,?GeneratorParameter]
+
+    ClassDeclaration:
+      class BindingIdentifier ClassTail
+
+    ClassTail:
+      ... { ClassBodyopt }
+
+    ClassBody[Yield] :
+      ClassElementList[?Yield]
+
+
+    ClassElementList[Yield] :
+      ClassElement[?Yield]
+      ClassElementList[?Yield] ClassElement[?Yield]
+
+    ClassElement[Yield] :
+      MethodDefinition[?Yield]
+      static MethodDefinition[?Yield]
+      ;
+
+---*/
+var A = class B {
+  method() {}
+  static method() {}
+  ;
+}
+
+assert.sameValue(typeof A, "function");
+assert.sameValue(typeof A.prototype.method, "function");
+assert.sameValue(typeof A.method, "function");
+
+assert.sameValue(typeof B, "undefined");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-expression-heritage-identifier-reference.js b/js/src/tests/test262/language/statements/class/syntax/class-expression-heritage-identifier-reference.js
new file mode 100644
index 0000000000..56c9faaa93
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-expression-heritage-identifier-reference.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassExpression[Yield,GeneratorParameter] :
+      class BindingIdentifier[?Yield]opt ClassTail[?Yield,?GeneratorParameter]
+
+    ClassTail[Yield,GeneratorParameter] :
+      [~GeneratorParameter] ClassHeritage[?Yield]opt { ClassBody[?Yield]opt }
+      [+GeneratorParameter] ClassHeritageopt { ClassBodyopt }
+---*/
+class A {}
+var B = class extends A {}
+
+assert.sameValue(typeof B, "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-expression.js b/js/src/tests/test262/language/statements/class/syntax/class-expression.js
new file mode 100644
index 0000000000..eb3207be4d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-expression.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5
+description: >
+    ClassExpression
+---*/
+var A = class {}
+
+assert.sameValue(typeof A, "function");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/class-method-propname-constructor.js b/js/src/tests/test262/language/statements/class/syntax/class-method-propname-constructor.js
new file mode 100644
index 0000000000..36688dd52e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/class-method-propname-constructor.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.5.1
+description: >
+    The opposite of:
+
+      ClassBody : ClassElementList
+
+      It is a Syntax Error if PrototypePropertyNameList of ClassElementList contains more than one occurrence of "constructor".
+---*/
+class A {
+  constructor() {}
+}
+
+assert.sameValue(typeof A, "function");
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/statements/class/syntax/early-errors/browser.js b/js/src/tests/test262/language/statements/class/syntax/early-errors/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/early-errors/browser.js
diff --git a/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js
new file mode 100644
index 0000000000..2217ee010e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.1.1
+description: >
+    Block : { StatementList }
+
+    It is a Syntax Error if the LexicallyDeclaredNames of StatementList contains any duplicate entries.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+{
+  class A {}
+  class A {}
+}
diff --git a/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-scriptbody-duplicate-binding.js b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-scriptbody-duplicate-binding.js
new file mode 100644
index 0000000000..fa9fe2dbba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-scriptbody-duplicate-binding.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 15.1.1
+description: >
+    ScriptBody : StatementList
+
+    It is a Syntax Error if the LexicallyDeclaredNames of StatementList contains any duplicate entries.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+class A {}
+class A {}
diff --git a/js/src/tests/test262/language/statements/class/syntax/early-errors/shell.js b/js/src/tests/test262/language/statements/class/syntax/early-errors/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/early-errors/shell.js
diff --git a/js/src/tests/test262/language/statements/class/syntax/escaped-static.js b/js/src/tests/test262/language/statements/class/syntax/escaped-static.js
new file mode 100644
index 0000000000..8c22111e0d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/escaped-static.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-grammar-notation
+description: >
+  The `static` contextual keyword must not contain Unicode escape sequences.
+info: |
+  Terminal symbols are shown
+  in fixed width font, both in the productions of the grammars and throughout this
+  specification whenever the text directly refers to such a terminal symbol. These
+  are to appear in a script exactly as written. All terminal symbol code points
+  specified in this way are to be understood as the appropriate Unicode code points
+  from the Basic Latin range, as opposed to any similar-looking code points from
+  other Unicode ranges.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+class C {
+  st\u0061tic m() {}
+}
diff --git a/js/src/tests/test262/language/statements/class/syntax/shell.js b/js/src/tests/test262/language/statements/class/syntax/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/shell.js